Home / 1,775,671-2,450,426-970,855

Finding the Fourth Proportional to 1,775,671, 2,450,426 and 970,855

Calculator

Solution

The fourth proportional to 1,775,671, 2,450,426 and 970,855 is: 1,339,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,671 : 2,450,426 = 970,855 : x
  2. Step 2: Convert to fraction form
    1,775,671/2,450,426 = 970,855/x
  3. Step 3: Cross multiply
    1,775,671x = 2,450,426 × 970,855
  4. Step 4: Simplify right side
    1,775,671x = 2,379,008,334,230
  5. Step 5: Solve for x
    x = 2,379,008,334,230/1,775,671
  6. Step 6: Final answer
    x = 1,339,779.91

Related Problems

Find fourth proportional to 887,835.50, 1,225,213 and 485,427.50
Half scale
Find fourth proportional to 3,551,342, 4,900,852 and 1,941,710
Double scale
Find fourth proportional to 1,775,672, 2,450,427.38 and 970,856
Similar ratio
Find fourth proportional to 2,663,506.50, 3,675,639 and 1,456,282.50
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.