Home / 1,425,116.28-1,966,662.37-771,743.43

Finding the Fourth Proportional to 1,425,116.28, 1,966,662.37 and 771,743.43

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Solution

The fourth proportional to 1,425,116.28, 1,966,662.37 and 771,743.43 is: 1,065,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,116.28 : 1,966,662.37 = 771,743.43 : x
  2. Step 2: Convert to fraction form
    1,425,116.28/1,966,662.37 = 771,743.43/x
  3. Step 3: Cross multiply
    1,425,116.28x = 1,966,662.37 × 771,743.43
  4. Step 4: Simplify right side
    1,425,116.28x = 1,517,758,753,771.39
  5. Step 5: Solve for x
    x = 1,517,758,753,771.39/1,425,116.28
  6. Step 6: Final answer
    x = 1,065,006.96

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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.