Home / 1,058,882.20-1,588,712.10-427,859.80

Finding the Fourth Proportional to 1,058,882.20, 1,588,712.10 and 427,859.80

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Solution

The fourth proportional to 1,058,882.20, 1,588,712.10 and 427,859.80 is: 641,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,882.20 : 1,588,712.10 = 427,859.80 : x
  2. Step 2: Convert to fraction form
    1,058,882.20/1,588,712.10 = 427,859.80/x
  3. Step 3: Cross multiply
    1,058,882.20x = 1,588,712.10 × 427,859.80
  4. Step 4: Simplify right side
    1,058,882.20x = 679,746,041,363.58
  5. Step 5: Solve for x
    x = 679,746,041,363.58/1,058,882.20
  6. Step 6: Final answer
    x = 641,946.80

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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.