Home / 1,479,491.92-2,041,699.53-817,205.14

Finding the Fourth Proportional to 1,479,491.92, 2,041,699.53 and 817,205.14

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Solution

The fourth proportional to 1,479,491.92, 2,041,699.53 and 817,205.14 is: 1,127,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,491.92 : 2,041,699.53 = 817,205.14 : x
  2. Step 2: Convert to fraction form
    1,479,491.92/2,041,699.53 = 817,205.14/x
  3. Step 3: Cross multiply
    1,479,491.92x = 2,041,699.53 × 817,205.14
  4. Step 4: Simplify right side
    1,479,491.92x = 1,668,487,350,251.58
  5. Step 5: Solve for x
    x = 1,668,487,350,251.58/1,479,491.92
  6. Step 6: Final answer
    x = 1,127,743.47

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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.