Home / 1,479,990.69-2,042,387.12-800,927.19

Finding the Fourth Proportional to 1,479,990.69, 2,042,387.12 and 800,927.19

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Solution

The fourth proportional to 1,479,990.69, 2,042,387.12 and 800,927.19 is: 1,105,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,990.69 : 2,042,387.12 = 800,927.19 : x
  2. Step 2: Convert to fraction form
    1,479,990.69/2,042,387.12 = 800,927.19/x
  3. Step 3: Cross multiply
    1,479,990.69x = 2,042,387.12 × 800,927.19
  4. Step 4: Simplify right side
    1,479,990.69x = 1,635,803,378,916.11
  5. Step 5: Solve for x
    x = 1,635,803,378,916.11/1,479,990.69
  6. Step 6: Final answer
    x = 1,105,279.51

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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.