Home / 669,165.87-1,003,787.73-189,353.46

Finding the Fourth Proportional to 669,165.87, 1,003,787.73 and 189,353.46

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Solution

The fourth proportional to 669,165.87, 1,003,787.73 and 189,353.46 is: 284,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,165.87 : 1,003,787.73 = 189,353.46 : x
  2. Step 2: Convert to fraction form
    669,165.87/1,003,787.73 = 189,353.46/x
  3. Step 3: Cross multiply
    669,165.87x = 1,003,787.73 × 189,353.46
  4. Step 4: Simplify right side
    669,165.87x = 190,070,679,781.05
  5. Step 5: Solve for x
    x = 190,070,679,781.05/669,165.87
  6. Step 6: Final answer
    x = 284,041.20

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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.