Home / 1,432,039.62-1,976,265.41-787,508.85

Finding the Fourth Proportional to 1,432,039.62, 1,976,265.41 and 787,508.85

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Solution

The fourth proportional to 1,432,039.62, 1,976,265.41 and 787,508.85 is: 1,086,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,039.62 : 1,976,265.41 = 787,508.85 : x
  2. Step 2: Convert to fraction form
    1,432,039.62/1,976,265.41 = 787,508.85/x
  3. Step 3: Cross multiply
    1,432,039.62x = 1,976,265.41 × 787,508.85
  4. Step 4: Simplify right side
    1,432,039.62x = 1,556,326,496,386.33
  5. Step 5: Solve for x
    x = 1,556,326,496,386.33/1,432,039.62
  6. Step 6: Final answer
    x = 1,086,790.11

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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.