Home / 1,102,311.60-1,521,072.48-618,929.88

Finding the Fourth Proportional to 1,102,311.60, 1,521,072.48 and 618,929.88

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Solution

The fourth proportional to 1,102,311.60, 1,521,072.48 and 618,929.88 is: 854,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,311.60 : 1,521,072.48 = 618,929.88 : x
  2. Step 2: Convert to fraction form
    1,102,311.60/1,521,072.48 = 618,929.88/x
  3. Step 3: Cross multiply
    1,102,311.60x = 1,521,072.48 × 618,929.88
  4. Step 4: Simplify right side
    1,102,311.60x = 941,437,207,517.70
  5. Step 5: Solve for x
    x = 941,437,207,517.70/1,102,311.60
  6. Step 6: Final answer
    x = 854,057.24

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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.