Home / 972,305.20-1,358,078-972,305.20

Finding the Fourth Proportional to 972,305.20, 1,358,078 and 972,305.20

Calculator

Solution

The fourth proportional to 972,305.20, 1,358,078 and 972,305.20 is: 1,358,078

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,305.20 : 1,358,078 = 972,305.20 : x
  2. Step 2: Convert to fraction form
    972,305.20/1,358,078 = 972,305.20/x
  3. Step 3: Cross multiply
    972,305.20x = 1,358,078 × 972,305.20
  4. Step 4: Simplify right side
    972,305.20x = 1,320,466,301,405.60
  5. Step 5: Solve for x
    x = 1,320,466,301,405.60/972,305.20
  6. Step 6: Final answer
    x = 1,358,078

Related Problems

Find fourth proportional to 486,152.60, 679,039 and 486,152.60
Half scale
Find fourth proportional to 1,944,610.40, 2,716,156 and 1,944,610.40
Double scale
Find fourth proportional to 972,306.20, 1,358,079.40 and 972,306.20
Similar ratio
Find fourth proportional to 1,458,457.80, 2,037,117 and 1,458,457.80
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.