Home / 1,124,681.76-1,687,029.12-459,833.76

Finding the Fourth Proportional to 1,124,681.76, 1,687,029.12 and 459,833.76

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Solution

The fourth proportional to 1,124,681.76, 1,687,029.12 and 459,833.76 is: 689,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,681.76 : 1,687,029.12 = 459,833.76 : x
  2. Step 2: Convert to fraction form
    1,124,681.76/1,687,029.12 = 459,833.76/x
  3. Step 3: Cross multiply
    1,124,681.76x = 1,687,029.12 × 459,833.76
  4. Step 4: Simplify right side
    1,124,681.76x = 775,752,943,479.09
  5. Step 5: Solve for x
    x = 775,752,943,479.09/1,124,681.76
  6. Step 6: Final answer
    x = 689,753.29

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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.