Home / 1,038,788.55-1,558,676.29-719,431.88

Finding the Fourth Proportional to 1,038,788.55, 1,558,676.29 and 719,431.88

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Solution

The fourth proportional to 1,038,788.55, 1,558,676.29 and 719,431.88 is: 1,079,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,788.55 : 1,558,676.29 = 719,431.88 : x
  2. Step 2: Convert to fraction form
    1,038,788.55/1,558,676.29 = 719,431.88/x
  3. Step 3: Cross multiply
    1,038,788.55x = 1,558,676.29 × 719,431.88
  4. Step 4: Simplify right side
    1,038,788.55x = 1,121,361,405,832.74
  5. Step 5: Solve for x
    x = 1,121,361,405,832.74/1,038,788.55
  6. Step 6: Final answer
    x = 1,079,489.57

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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.