Home / 1,321,432.20-1,982,148.30-922,851.45

Finding the Fourth Proportional to 1,321,432.20, 1,982,148.30 and 922,851.45

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Solution

The fourth proportional to 1,321,432.20, 1,982,148.30 and 922,851.45 is: 1,384,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,432.20 : 1,982,148.30 = 922,851.45 : x
  2. Step 2: Convert to fraction form
    1,321,432.20/1,982,148.30 = 922,851.45/x
  3. Step 3: Cross multiply
    1,321,432.20x = 1,982,148.30 × 922,851.45
  4. Step 4: Simplify right side
    1,321,432.20x = 1,829,228,432,770.04
  5. Step 5: Solve for x
    x = 1,829,228,432,770.04/1,321,432.20
  6. Step 6: Final answer
    x = 1,384,277.18

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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.