Home / 1,058,385.42-1,587,672.90-300,234.06

Finding the Fourth Proportional to 1,058,385.42, 1,587,672.90 and 300,234.06

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Solution

The fourth proportional to 1,058,385.42, 1,587,672.90 and 300,234.06 is: 450,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,385.42 : 1,587,672.90 = 300,234.06 : x
  2. Step 2: Convert to fraction form
    1,058,385.42/1,587,672.90 = 300,234.06/x
  3. Step 3: Cross multiply
    1,058,385.42x = 1,587,672.90 × 300,234.06
  4. Step 4: Simplify right side
    1,058,385.42x = 476,673,480,718.97
  5. Step 5: Solve for x
    x = 476,673,480,718.97/1,058,385.42
  6. Step 6: Final answer
    x = 450,377.97

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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.