Home / 1,252,883.18-1,878,760.29-747,677.42

Finding the Fourth Proportional to 1,252,883.18, 1,878,760.29 and 747,677.42

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Solution

The fourth proportional to 1,252,883.18, 1,878,760.29 and 747,677.42 is: 1,121,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,883.18 : 1,878,760.29 = 747,677.42 : x
  2. Step 2: Convert to fraction form
    1,252,883.18/1,878,760.29 = 747,677.42/x
  3. Step 3: Cross multiply
    1,252,883.18x = 1,878,760.29 × 747,677.42
  4. Step 4: Simplify right side
    1,252,883.18x = 1,404,706,646,425.65
  5. Step 5: Solve for x
    x = 1,404,706,646,425.65/1,252,883.18
  6. Step 6: Final answer
    x = 1,121,179.27

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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.