Home / 1,058,641.87-1,587,070.06-459,151.45

Finding the Fourth Proportional to 1,058,641.87, 1,587,070.06 and 459,151.45

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Solution

The fourth proportional to 1,058,641.87, 1,587,070.06 and 459,151.45 is: 688,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,641.87 : 1,587,070.06 = 459,151.45 : x
  2. Step 2: Convert to fraction form
    1,058,641.87/1,587,070.06 = 459,151.45/x
  3. Step 3: Cross multiply
    1,058,641.87x = 1,587,070.06 × 459,151.45
  4. Step 4: Simplify right side
    1,058,641.87x = 728,705,523,112.30
  5. Step 5: Solve for x
    x = 728,705,523,112.30/1,058,641.87
  6. Step 6: Final answer
    x = 688,339.98

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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.