Home / 1,380,202.10-2,071,188.24-669,842.90

Finding the Fourth Proportional to 1,380,202.10, 2,071,188.24 and 669,842.90

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Solution

The fourth proportional to 1,380,202.10, 2,071,188.24 and 669,842.90 is: 1,005,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,202.10 : 2,071,188.24 = 669,842.90 : x
  2. Step 2: Convert to fraction form
    1,380,202.10/2,071,188.24 = 669,842.90/x
  3. Step 3: Cross multiply
    1,380,202.10x = 2,071,188.24 × 669,842.90
  4. Step 4: Simplify right side
    1,380,202.10x = 1,387,370,737,127.50
  5. Step 5: Solve for x
    x = 1,387,370,737,127.50/1,380,202.10
  6. Step 6: Final answer
    x = 1,005,193.90

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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.