Home / 1,587,459.47-2,381,154.77-389,387.66

Finding the Fourth Proportional to 1,587,459.47, 2,381,154.77 and 389,387.66

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Solution

The fourth proportional to 1,587,459.47, 2,381,154.77 and 389,387.66 is: 584,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,459.47 : 2,381,154.77 = 389,387.66 : x
  2. Step 2: Convert to fraction form
    1,587,459.47/2,381,154.77 = 389,387.66/x
  3. Step 3: Cross multiply
    1,587,459.47x = 2,381,154.77 × 389,387.66
  4. Step 4: Simplify right side
    1,587,459.47x = 927,192,273,055.83
  5. Step 5: Solve for x
    x = 927,192,273,055.83/1,587,459.47
  6. Step 6: Final answer
    x = 584,073.04

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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.