Home / 1,293,182.40-1,940,648.40-724,562.40

Finding the Fourth Proportional to 1,293,182.40, 1,940,648.40 and 724,562.40

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Solution

The fourth proportional to 1,293,182.40, 1,940,648.40 and 724,562.40 is: 1,087,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,182.40 : 1,940,648.40 = 724,562.40 : x
  2. Step 2: Convert to fraction form
    1,293,182.40/1,940,648.40 = 724,562.40/x
  3. Step 3: Cross multiply
    1,293,182.40x = 1,940,648.40 × 724,562.40
  4. Step 4: Simplify right side
    1,293,182.40x = 1,406,120,862,260.16
  5. Step 5: Solve for x
    x = 1,406,120,862,260.16/1,293,182.40
  6. Step 6: Final answer
    x = 1,087,333.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.