Home / 1,087,219.90-1,629,793.05-847,200.70

Finding the Fourth Proportional to 1,087,219.90, 1,629,793.05 and 847,200.70

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Solution

The fourth proportional to 1,087,219.90, 1,629,793.05 and 847,200.70 is: 1,269,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,219.90 : 1,629,793.05 = 847,200.70 : x
  2. Step 2: Convert to fraction form
    1,087,219.90/1,629,793.05 = 847,200.70/x
  3. Step 3: Cross multiply
    1,087,219.90x = 1,629,793.05 × 847,200.70
  4. Step 4: Simplify right side
    1,087,219.90x = 1,380,761,812,815.14
  5. Step 5: Solve for x
    x = 1,380,761,812,815.14/1,087,219.90
  6. Step 6: Final answer
    x = 1,269,993.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.