Home / 1,306,174.40-1,802,357.36-725,318.56

Finding the Fourth Proportional to 1,306,174.40, 1,802,357.36 and 725,318.56

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Solution

The fourth proportional to 1,306,174.40, 1,802,357.36 and 725,318.56 is: 1,000,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,174.40 : 1,802,357.36 = 725,318.56 : x
  2. Step 2: Convert to fraction form
    1,306,174.40/1,802,357.36 = 725,318.56/x
  3. Step 3: Cross multiply
    1,306,174.40x = 1,802,357.36 × 725,318.56
  4. Step 4: Simplify right side
    1,306,174.40x = 1,307,283,244,960.60
  5. Step 5: Solve for x
    x = 1,307,283,244,960.60/1,306,174.40
  6. Step 6: Final answer
    x = 1,000,848.93

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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.