Home / 1,145,707.29-1,581,031.85-636,441.93

Finding the Fourth Proportional to 1,145,707.29, 1,581,031.85 and 636,441.93

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Solution

The fourth proportional to 1,145,707.29, 1,581,031.85 and 636,441.93 is: 878,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,707.29 : 1,581,031.85 = 636,441.93 : x
  2. Step 2: Convert to fraction form
    1,145,707.29/1,581,031.85 = 636,441.93/x
  3. Step 3: Cross multiply
    1,145,707.29x = 1,581,031.85 × 636,441.93
  4. Step 4: Simplify right side
    1,145,707.29x = 1,006,234,958,823.26
  5. Step 5: Solve for x
    x = 1,006,234,958,823.26/1,145,707.29
  6. Step 6: Final answer
    x = 878,265.30

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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.