Home / 1,253,538.81-1,729,924.92-709,663.50

Finding the Fourth Proportional to 1,253,538.81, 1,729,924.92 and 709,663.50

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Solution

The fourth proportional to 1,253,538.81, 1,729,924.92 and 709,663.50 is: 979,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,538.81 : 1,729,924.92 = 709,663.50 : x
  2. Step 2: Convert to fraction form
    1,253,538.81/1,729,924.92 = 709,663.50/x
  3. Step 3: Cross multiply
    1,253,538.81x = 1,729,924.92 × 709,663.50
  4. Step 4: Simplify right side
    1,253,538.81x = 1,227,664,573,464.42
  5. Step 5: Solve for x
    x = 1,227,664,573,464.42/1,253,538.81
  6. Step 6: Final answer
    x = 979,359.05

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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.