Home / 1,324,704.85-1,828,331.26-780,808.89

Finding the Fourth Proportional to 1,324,704.85, 1,828,331.26 and 780,808.89

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Solution

The fourth proportional to 1,324,704.85, 1,828,331.26 and 780,808.89 is: 1,077,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,704.85 : 1,828,331.26 = 780,808.89 : x
  2. Step 2: Convert to fraction form
    1,324,704.85/1,828,331.26 = 780,808.89/x
  3. Step 3: Cross multiply
    1,324,704.85x = 1,828,331.26 × 780,808.89
  4. Step 4: Simplify right side
    1,324,704.85x = 1,427,577,301,672.90
  5. Step 5: Solve for x
    x = 1,427,577,301,672.90/1,324,704.85
  6. Step 6: Final answer
    x = 1,077,656.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.