Home / 1,425,114.41-1,966,659.78-771,741.55

Finding the Fourth Proportional to 1,425,114.41, 1,966,659.78 and 771,741.55

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Solution

The fourth proportional to 1,425,114.41, 1,966,659.78 and 771,741.55 is: 1,065,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,114.41 : 1,966,659.78 = 771,741.55 : x
  2. Step 2: Convert to fraction form
    1,425,114.41/1,966,659.78 = 771,741.55/x
  3. Step 3: Cross multiply
    1,425,114.41x = 1,966,659.78 × 771,741.55
  4. Step 4: Simplify right side
    1,425,114.41x = 1,517,753,068,546.24
  5. Step 5: Solve for x
    x = 1,517,753,068,546.24/1,425,114.41
  6. Step 6: Final answer
    x = 1,065,004.37

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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.