Home / 1,058,996.52-1,587,563.12-419,748.95

Finding the Fourth Proportional to 1,058,996.52, 1,587,563.12 and 419,748.95

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Solution

The fourth proportional to 1,058,996.52, 1,587,563.12 and 419,748.95 is: 629,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,996.52 : 1,587,563.12 = 419,748.95 : x
  2. Step 2: Convert to fraction form
    1,058,996.52/1,587,563.12 = 419,748.95/x
  3. Step 3: Cross multiply
    1,058,996.52x = 1,587,563.12 × 419,748.95
  4. Step 4: Simplify right side
    1,058,996.52x = 666,377,944,795.75
  5. Step 5: Solve for x
    x = 666,377,944,795.75/1,058,996.52
  6. Step 6: Final answer
    x = 629,254.14

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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.