Home / 1,306,001.73-1,802,221.75-725,261.70

Finding the Fourth Proportional to 1,306,001.73, 1,802,221.75 and 725,261.70

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Solution

The fourth proportional to 1,306,001.73, 1,802,221.75 and 725,261.70 is: 1,000,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,001.73 : 1,802,221.75 = 725,261.70 : x
  2. Step 2: Convert to fraction form
    1,306,001.73/1,802,221.75 = 725,261.70/x
  3. Step 3: Cross multiply
    1,306,001.73x = 1,802,221.75 × 725,261.70
  4. Step 4: Simplify right side
    1,306,001.73x = 1,307,082,407,709.39
  5. Step 5: Solve for x
    x = 1,307,082,407,709.39/1,306,001.73
  6. Step 6: Final answer
    x = 1,000,827.47

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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.