Home / 1,327,885.60-1,989,452.40-807,613.60

Finding the Fourth Proportional to 1,327,885.60, 1,989,452.40 and 807,613.60

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Solution

The fourth proportional to 1,327,885.60, 1,989,452.40 and 807,613.60 is: 1,209,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,885.60 : 1,989,452.40 = 807,613.60 : x
  2. Step 2: Convert to fraction form
    1,327,885.60/1,989,452.40 = 807,613.60/x
  3. Step 3: Cross multiply
    1,327,885.60x = 1,989,452.40 × 807,613.60
  4. Step 4: Simplify right side
    1,327,885.60x = 1,606,708,814,792.64
  5. Step 5: Solve for x
    x = 1,606,708,814,792.64/1,327,885.60
  6. Step 6: Final answer
    x = 1,209,975.33

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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.