Home / 1,260,073.31-1,738,897.88-687,113.46

Finding the Fourth Proportional to 1,260,073.31, 1,738,897.88 and 687,113.46

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Solution

The fourth proportional to 1,260,073.31, 1,738,897.88 and 687,113.46 is: 948,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,073.31 : 1,738,897.88 = 687,113.46 : x
  2. Step 2: Convert to fraction form
    1,260,073.31/1,738,897.88 = 687,113.46/x
  3. Step 3: Cross multiply
    1,260,073.31x = 1,738,897.88 × 687,113.46
  4. Step 4: Simplify right side
    1,260,073.31x = 1,194,820,135,477.90
  5. Step 5: Solve for x
    x = 1,194,820,135,477.90/1,260,073.31
  6. Step 6: Final answer
    x = 948,214.78

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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.