Home / 980,268.80-1,353,144.96-953,303.04

Finding the Fourth Proportional to 980,268.80, 1,353,144.96 and 953,303.04

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Solution

The fourth proportional to 980,268.80, 1,353,144.96 and 953,303.04 is: 1,315,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,268.80 : 1,353,144.96 = 953,303.04 : x
  2. Step 2: Convert to fraction form
    980,268.80/1,353,144.96 = 953,303.04/x
  3. Step 3: Cross multiply
    980,268.80x = 1,353,144.96 × 953,303.04
  4. Step 4: Simplify right side
    980,268.80x = 1,289,957,203,928.68
  5. Step 5: Solve for x
    x = 1,289,957,203,928.68/980,268.80
  6. Step 6: Final answer
    x = 1,315,921.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.