Home / 1,058,700.52-1,587,157.88-459,210.11

Finding the Fourth Proportional to 1,058,700.52, 1,587,157.88 and 459,210.11

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Solution

The fourth proportional to 1,058,700.52, 1,587,157.88 and 459,210.11 is: 688,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,700.52 : 1,587,157.88 = 459,210.11 : x
  2. Step 2: Convert to fraction form
    1,058,700.52/1,587,157.88 = 459,210.11/x
  3. Step 3: Cross multiply
    1,058,700.52x = 1,587,157.88 × 459,210.11
  4. Step 4: Simplify right side
    1,058,700.52x = 728,838,944,662.17
  5. Step 5: Solve for x
    x = 728,838,944,662.17/1,058,700.52
  6. Step 6: Final answer
    x = 688,427.87

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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.