Home / 1,337,212.86-1,845,345.78-725,366.79

Finding the Fourth Proportional to 1,337,212.86, 1,845,345.78 and 725,366.79

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Solution

The fourth proportional to 1,337,212.86, 1,845,345.78 and 725,366.79 is: 1,001,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,212.86 : 1,845,345.78 = 725,366.79 : x
  2. Step 2: Convert to fraction form
    1,337,212.86/1,845,345.78 = 725,366.79/x
  3. Step 3: Cross multiply
    1,337,212.86x = 1,845,345.78 × 725,366.79
  4. Step 4: Simplify right side
    1,337,212.86x = 1,338,552,544,878.65
  5. Step 5: Solve for x
    x = 1,338,552,544,878.65/1,337,212.86
  6. Step 6: Final answer
    x = 1,001,001.85

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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.