Home / 1,058,629.11-1,587,051.03-459,138.75

Finding the Fourth Proportional to 1,058,629.11, 1,587,051.03 and 459,138.75

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Solution

The fourth proportional to 1,058,629.11, 1,587,051.03 and 459,138.75 is: 688,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,629.11 : 1,587,051.03 = 459,138.75 : x
  2. Step 2: Convert to fraction form
    1,058,629.11/1,587,051.03 = 459,138.75/x
  3. Step 3: Cross multiply
    1,058,629.11x = 1,587,051.03 × 459,138.75
  4. Step 4: Simplify right side
    1,058,629.11x = 728,676,626,100.41
  5. Step 5: Solve for x
    x = 728,676,626,100.41/1,058,629.11
  6. Step 6: Final answer
    x = 688,320.98

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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.