Home / 1,141,748.07-1,712,862.59-431,760.39

Finding the Fourth Proportional to 1,141,748.07, 1,712,862.59 and 431,760.39

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Solution

The fourth proportional to 1,141,748.07, 1,712,862.59 and 431,760.39 is: 647,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,748.07 : 1,712,862.59 = 431,760.39 : x
  2. Step 2: Convert to fraction form
    1,141,748.07/1,712,862.59 = 431,760.39/x
  3. Step 3: Cross multiply
    1,141,748.07x = 1,712,862.59 × 431,760.39
  4. Step 4: Simplify right side
    1,141,748.07x = 739,546,217,716.01
  5. Step 5: Solve for x
    x = 739,546,217,716.01/1,141,748.07
  6. Step 6: Final answer
    x = 647,731.52

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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.