Home / 1,432,184.57-1,976,375.28-787,604.76

Finding the Fourth Proportional to 1,432,184.57, 1,976,375.28 and 787,604.76

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Solution

The fourth proportional to 1,432,184.57, 1,976,375.28 and 787,604.76 is: 1,086,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,184.57 : 1,976,375.28 = 787,604.76 : x
  2. Step 2: Convert to fraction form
    1,432,184.57/1,976,375.28 = 787,604.76/x
  3. Step 3: Cross multiply
    1,432,184.57x = 1,976,375.28 × 787,604.76
  4. Step 4: Simplify right side
    1,432,184.57x = 1,556,602,578,074.33
  5. Step 5: Solve for x
    x = 1,556,602,578,074.33/1,432,184.57
  6. Step 6: Final answer
    x = 1,086,872.89

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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.