Home / 1,432,255.49-1,976,473.17-787,675.71

Finding the Fourth Proportional to 1,432,255.49, 1,976,473.17 and 787,675.71

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Solution

The fourth proportional to 1,432,255.49, 1,976,473.17 and 787,675.71 is: 1,086,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,255.49 : 1,976,473.17 = 787,675.71 : x
  2. Step 2: Convert to fraction form
    1,432,255.49/1,976,473.17 = 787,675.71/x
  3. Step 3: Cross multiply
    1,432,255.49x = 1,976,473.17 × 787,675.71
  4. Step 4: Simplify right side
    1,432,255.49x = 1,556,819,907,475.70
  5. Step 5: Solve for x
    x = 1,556,819,907,475.70/1,432,255.49
  6. Step 6: Final answer
    x = 1,086,970.81

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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.