Home / 1,436,476.32-1,982,359.30-783,102.78

Finding the Fourth Proportional to 1,436,476.32, 1,982,359.30 and 783,102.78

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Solution

The fourth proportional to 1,436,476.32, 1,982,359.30 and 783,102.78 is: 1,080,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,476.32 : 1,982,359.30 = 783,102.78 : x
  2. Step 2: Convert to fraction form
    1,436,476.32/1,982,359.30 = 783,102.78/x
  3. Step 3: Cross multiply
    1,436,476.32x = 1,982,359.30 × 783,102.78
  4. Step 4: Simplify right side
    1,436,476.32x = 1,552,391,078,788.85
  5. Step 5: Solve for x
    x = 1,552,391,078,788.85/1,436,476.32
  6. Step 6: Final answer
    x = 1,080,693.82

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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.