Home / 1,261,393.20-1,740,727.44-688,446

Finding the Fourth Proportional to 1,261,393.20, 1,740,727.44 and 688,446

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Solution

The fourth proportional to 1,261,393.20, 1,740,727.44 and 688,446 is: 950,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,393.20 : 1,740,727.44 = 688,446 : x
  2. Step 2: Convert to fraction form
    1,261,393.20/1,740,727.44 = 688,446/x
  3. Step 3: Cross multiply
    1,261,393.20x = 1,740,727.44 × 688,446
  4. Step 4: Simplify right side
    1,261,393.20x = 1,198,396,843,158.24
  5. Step 5: Solve for x
    x = 1,198,396,843,158.24/1,261,393.20
  6. Step 6: Final answer
    x = 950,058.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.