Home / 1,058,778.80-1,587,275.28-459,288.35

Finding the Fourth Proportional to 1,058,778.80, 1,587,275.28 and 459,288.35

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Solution

The fourth proportional to 1,058,778.80, 1,587,275.28 and 459,288.35 is: 688,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,778.80 : 1,587,275.28 = 459,288.35 : x
  2. Step 2: Convert to fraction form
    1,058,778.80/1,587,275.28 = 459,288.35/x
  3. Step 3: Cross multiply
    1,058,778.80x = 1,587,275.28 × 459,288.35
  4. Step 4: Simplify right side
    1,058,778.80x = 729,017,044,346.99
  5. Step 5: Solve for x
    x = 729,017,044,346.99/1,058,778.80
  6. Step 6: Final answer
    x = 688,545.18

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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.