Home / 1,058,654.40-1,587,971.04-427,559.52

Finding the Fourth Proportional to 1,058,654.40, 1,587,971.04 and 427,559.52

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Solution

The fourth proportional to 1,058,654.40, 1,587,971.04 and 427,559.52 is: 641,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,654.40 : 1,587,971.04 = 427,559.52 : x
  2. Step 2: Convert to fraction form
    1,058,654.40/1,587,971.04 = 427,559.52/x
  3. Step 3: Cross multiply
    1,058,654.40x = 1,587,971.04 × 427,559.52
  4. Step 4: Simplify right side
    1,058,654.40x = 678,952,135,636.30
  5. Step 5: Solve for x
    x = 678,952,135,636.30/1,058,654.40
  6. Step 6: Final answer
    x = 641,335.02

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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.