Home / 1,229,048.55-1,843,572.87-387,665.91

Finding the Fourth Proportional to 1,229,048.55, 1,843,572.87 and 387,665.91

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Solution

The fourth proportional to 1,229,048.55, 1,843,572.87 and 387,665.91 is: 581,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,048.55 : 1,843,572.87 = 387,665.91 : x
  2. Step 2: Convert to fraction form
    1,229,048.55/1,843,572.87 = 387,665.91/x
  3. Step 3: Cross multiply
    1,229,048.55x = 1,843,572.87 × 387,665.91
  4. Step 4: Simplify right side
    1,229,048.55x = 714,690,354,299.86
  5. Step 5: Solve for x
    x = 714,690,354,299.86/1,229,048.55
  6. Step 6: Final answer
    x = 581,498.88

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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.