Home / 1,260,340.29-1,739,248.47-687,346.29

Finding the Fourth Proportional to 1,260,340.29, 1,739,248.47 and 687,346.29

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Solution

The fourth proportional to 1,260,340.29, 1,739,248.47 and 687,346.29 is: 948,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,340.29 : 1,739,248.47 = 687,346.29 : x
  2. Step 2: Convert to fraction form
    1,260,340.29/1,739,248.47 = 687,346.29/x
  3. Step 3: Cross multiply
    1,260,340.29x = 1,739,248.47 × 687,346.29
  4. Step 4: Simplify right side
    1,260,340.29x = 1,195,465,983,242.68
  5. Step 5: Solve for x
    x = 1,195,465,983,242.68/1,260,340.29
  6. Step 6: Final answer
    x = 948,526.36

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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.