Home / 1,179,127.59-1,769,065.19-420,952.29

Finding the Fourth Proportional to 1,179,127.59, 1,769,065.19 and 420,952.29

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Solution

The fourth proportional to 1,179,127.59, 1,769,065.19 and 420,952.29 is: 631,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,127.59 : 1,769,065.19 = 420,952.29 : x
  2. Step 2: Convert to fraction form
    1,179,127.59/1,769,065.19 = 420,952.29/x
  3. Step 3: Cross multiply
    1,179,127.59x = 1,769,065.19 × 420,952.29
  4. Step 4: Simplify right side
    1,179,127.59x = 744,692,042,889.79
  5. Step 5: Solve for x
    x = 744,692,042,889.79/1,179,127.59
  6. Step 6: Final answer
    x = 631,561.88

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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.