Home / 1,261,468.89-1,740,864.47-688,546.17

Finding the Fourth Proportional to 1,261,468.89, 1,740,864.47 and 688,546.17

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Solution

The fourth proportional to 1,261,468.89, 1,740,864.47 and 688,546.17 is: 950,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,468.89 : 1,740,864.47 = 688,546.17 : x
  2. Step 2: Convert to fraction form
    1,261,468.89/1,740,864.47 = 688,546.17/x
  3. Step 3: Cross multiply
    1,261,468.89x = 1,740,864.47 × 688,546.17
  4. Step 4: Simplify right side
    1,261,468.89x = 1,198,665,559,864.85
  5. Step 5: Solve for x
    x = 1,198,665,559,864.85/1,261,468.89
  6. Step 6: Final answer
    x = 950,214.13

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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.