Home / 1,000,084.50-1,380,116.70-547,375.50

Finding the Fourth Proportional to 1,000,084.50, 1,380,116.70 and 547,375.50

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Solution

The fourth proportional to 1,000,084.50, 1,380,116.70 and 547,375.50 is: 755,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,084.50 : 1,380,116.70 = 547,375.50 : x
  2. Step 2: Convert to fraction form
    1,000,084.50/1,380,116.70 = 547,375.50/x
  3. Step 3: Cross multiply
    1,000,084.50x = 1,380,116.70 × 547,375.50
  4. Step 4: Simplify right side
    1,000,084.50x = 755,442,068,720.85
  5. Step 5: Solve for x
    x = 755,442,068,720.85/1,000,084.50
  6. Step 6: Final answer
    x = 755,378.24

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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.