Home / 1,105,280.10-1,657,920.15-825,344.10

Finding the Fourth Proportional to 1,105,280.10, 1,657,920.15 and 825,344.10

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Solution

The fourth proportional to 1,105,280.10, 1,657,920.15 and 825,344.10 is: 1,238,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,280.10 : 1,657,920.15 = 825,344.10 : x
  2. Step 2: Convert to fraction form
    1,105,280.10/1,657,920.15 = 825,344.10/x
  3. Step 3: Cross multiply
    1,105,280.10x = 1,657,920.15 × 825,344.10
  4. Step 4: Simplify right side
    1,105,280.10x = 1,368,354,614,073.62
  5. Step 5: Solve for x
    x = 1,368,354,614,073.62/1,105,280.10
  6. Step 6: Final answer
    x = 1,238,016.15

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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.