Home / 1,305,848.58-1,802,160.32-725,101.71

Finding the Fourth Proportional to 1,305,848.58, 1,802,160.32 and 725,101.71

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Solution

The fourth proportional to 1,305,848.58, 1,802,160.32 and 725,101.71 is: 1,000,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,848.58 : 1,802,160.32 = 725,101.71 : x
  2. Step 2: Convert to fraction form
    1,305,848.58/1,802,160.32 = 725,101.71/x
  3. Step 3: Cross multiply
    1,305,848.58x = 1,802,160.32 × 725,101.71
  4. Step 4: Simplify right side
    1,305,848.58x = 1,306,749,526,100.64
  5. Step 5: Solve for x
    x = 1,306,749,526,100.64/1,305,848.58
  6. Step 6: Final answer
    x = 1,000,689.93

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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.