Home / 1,058,646.72-1,587,077.46-459,156.54

Finding the Fourth Proportional to 1,058,646.72, 1,587,077.46 and 459,156.54

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Solution

The fourth proportional to 1,058,646.72, 1,587,077.46 and 459,156.54 is: 688,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,646.72 : 1,587,077.46 = 459,156.54 : x
  2. Step 2: Convert to fraction form
    1,058,646.72/1,587,077.46 = 459,156.54/x
  3. Step 3: Cross multiply
    1,058,646.72x = 1,587,077.46 × 459,156.54
  4. Step 4: Simplify right side
    1,058,646.72x = 728,716,995,245.59
  5. Step 5: Solve for x
    x = 728,716,995,245.59/1,058,646.72
  6. Step 6: Final answer
    x = 688,347.66

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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.