Home / 1,615,691.88-2,229,554.16-890,545.32

Finding the Fourth Proportional to 1,615,691.88, 2,229,554.16 and 890,545.32

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Solution

The fourth proportional to 1,615,691.88, 2,229,554.16 and 890,545.32 is: 1,228,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,691.88 : 2,229,554.16 = 890,545.32 : x
  2. Step 2: Convert to fraction form
    1,615,691.88/2,229,554.16 = 890,545.32/x
  3. Step 3: Cross multiply
    1,615,691.88x = 2,229,554.16 × 890,545.32
  4. Step 4: Simplify right side
    1,615,691.88x = 1,985,519,022,874.53
  5. Step 5: Solve for x
    x = 1,985,519,022,874.53/1,615,691.88
  6. Step 6: Final answer
    x = 1,228,897.07

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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.