Home / 1,132,545.28-1,562,262.40-707,872

Finding the Fourth Proportional to 1,132,545.28, 1,562,262.40 and 707,872

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Solution

The fourth proportional to 1,132,545.28, 1,562,262.40 and 707,872 is: 976,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,545.28 : 1,562,262.40 = 707,872 : x
  2. Step 2: Convert to fraction form
    1,132,545.28/1,562,262.40 = 707,872/x
  3. Step 3: Cross multiply
    1,132,545.28x = 1,562,262.40 × 707,872
  4. Step 4: Simplify right side
    1,132,545.28x = 1,105,881,809,612.80
  5. Step 5: Solve for x
    x = 1,105,881,809,612.80/1,132,545.28
  6. Step 6: Final answer
    x = 976,457.04

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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.