Home / 1,120,654.20-1,672,240.71-999,881.04

Finding the Fourth Proportional to 1,120,654.20, 1,672,240.71 and 999,881.04

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Solution

The fourth proportional to 1,120,654.20, 1,672,240.71 and 999,881.04 is: 1,492,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,654.20 : 1,672,240.71 = 999,881.04 : x
  2. Step 2: Convert to fraction form
    1,120,654.20/1,672,240.71 = 999,881.04/x
  3. Step 3: Cross multiply
    1,120,654.20x = 1,672,240.71 × 999,881.04
  4. Step 4: Simplify right side
    1,120,654.20x = 1,672,041,780,245.14
  5. Step 5: Solve for x
    x = 1,672,041,780,245.14/1,120,654.20
  6. Step 6: Final answer
    x = 1,492,022.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.