Home / 1,212,610.43-1,816,552.86-738,118.91

Finding the Fourth Proportional to 1,212,610.43, 1,816,552.86 and 738,118.91

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Solution

The fourth proportional to 1,212,610.43, 1,816,552.86 and 738,118.91 is: 1,105,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,610.43 : 1,816,552.86 = 738,118.91 : x
  2. Step 2: Convert to fraction form
    1,212,610.43/1,816,552.86 = 738,118.91/x
  3. Step 3: Cross multiply
    1,212,610.43x = 1,816,552.86 × 738,118.91
  4. Step 4: Simplify right side
    1,212,610.43x = 1,340,832,007,897.82
  5. Step 5: Solve for x
    x = 1,340,832,007,897.82/1,212,610.43
  6. Step 6: Final answer
    x = 1,105,740.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.