Home / 1,314,320.10-1,813,761.90-710,708.10

Finding the Fourth Proportional to 1,314,320.10, 1,813,761.90 and 710,708.10

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Solution

The fourth proportional to 1,314,320.10, 1,813,761.90 and 710,708.10 is: 980,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,320.10 : 1,813,761.90 = 710,708.10 : x
  2. Step 2: Convert to fraction form
    1,314,320.10/1,813,761.90 = 710,708.10/x
  3. Step 3: Cross multiply
    1,314,320.10x = 1,813,761.90 × 710,708.10
  4. Step 4: Simplify right side
    1,314,320.10x = 1,289,055,273,801.39
  5. Step 5: Solve for x
    x = 1,289,055,273,801.39/1,314,320.10
  6. Step 6: Final answer
    x = 980,777.27

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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.