Home / 1,412,443.28-1,949,209.44-767,906.96

Finding the Fourth Proportional to 1,412,443.28, 1,949,209.44 and 767,906.96

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Solution

The fourth proportional to 1,412,443.28, 1,949,209.44 and 767,906.96 is: 1,059,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,443.28 : 1,949,209.44 = 767,906.96 : x
  2. Step 2: Convert to fraction form
    1,412,443.28/1,949,209.44 = 767,906.96/x
  3. Step 3: Cross multiply
    1,412,443.28x = 1,949,209.44 × 767,906.96
  4. Step 4: Simplify right side
    1,412,443.28x = 1,496,811,495,473.70
  5. Step 5: Solve for x
    x = 1,496,811,495,473.70/1,412,443.28
  6. Step 6: Final answer
    x = 1,059,732.11

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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.