Home / 1,142,872.59-1,714,046.54-681,381.14

Finding the Fourth Proportional to 1,142,872.59, 1,714,046.54 and 681,381.14

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Solution

The fourth proportional to 1,142,872.59, 1,714,046.54 and 681,381.14 is: 1,021,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,872.59 : 1,714,046.54 = 681,381.14 : x
  2. Step 2: Convert to fraction form
    1,142,872.59/1,714,046.54 = 681,381.14/x
  3. Step 3: Cross multiply
    1,142,872.59x = 1,714,046.54 × 681,381.14
  4. Step 4: Simplify right side
    1,142,872.59x = 1,167,918,985,438.26
  5. Step 5: Solve for x
    x = 1,167,918,985,438.26/1,142,872.59
  6. Step 6: Final answer
    x = 1,021,915.30

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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.