Home / 1,327,884.60-1,989,450.90-807,612.60

Finding the Fourth Proportional to 1,327,884.60, 1,989,450.90 and 807,612.60

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Solution

The fourth proportional to 1,327,884.60, 1,989,450.90 and 807,612.60 is: 1,209,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,884.60 : 1,989,450.90 = 807,612.60 : x
  2. Step 2: Convert to fraction form
    1,327,884.60/1,989,450.90 = 807,612.60/x
  3. Step 3: Cross multiply
    1,327,884.60x = 1,989,450.90 × 807,612.60
  4. Step 4: Simplify right side
    1,327,884.60x = 1,606,705,613,921.34
  5. Step 5: Solve for x
    x = 1,606,705,613,921.34/1,327,884.60
  6. Step 6: Final answer
    x = 1,209,973.83

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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.