Home / 1,058,731.92-1,587,700.40-384,646.68

Finding the Fourth Proportional to 1,058,731.92, 1,587,700.40 and 384,646.68

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Solution

The fourth proportional to 1,058,731.92, 1,587,700.40 and 384,646.68 is: 576,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,731.92 : 1,587,700.40 = 384,646.68 : x
  2. Step 2: Convert to fraction form
    1,058,731.92/1,587,700.40 = 384,646.68/x
  3. Step 3: Cross multiply
    1,058,731.92x = 1,587,700.40 × 384,646.68
  4. Step 4: Simplify right side
    1,058,731.92x = 610,703,687,694.67
  5. Step 5: Solve for x
    x = 610,703,687,694.67/1,058,731.92
  6. Step 6: Final answer
    x = 576,825.61

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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.