Home / 1,857,726.24-2,563,691.52-1,042,111.20

Finding the Fourth Proportional to 1,857,726.24, 2,563,691.52 and 1,042,111.20

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Solution

The fourth proportional to 1,857,726.24, 2,563,691.52 and 1,042,111.20 is: 1,438,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,726.24 : 2,563,691.52 = 1,042,111.20 : x
  2. Step 2: Convert to fraction form
    1,857,726.24/2,563,691.52 = 1,042,111.20/x
  3. Step 3: Cross multiply
    1,857,726.24x = 2,563,691.52 × 1,042,111.20
  4. Step 4: Simplify right side
    1,857,726.24x = 2,671,651,646,337.02
  5. Step 5: Solve for x
    x = 2,671,651,646,337.02/1,857,726.24
  6. Step 6: Final answer
    x = 1,438,129.90

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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.