Home / 1,001,963.72-1,382,715.06-543,078.92

Finding the Fourth Proportional to 1,001,963.72, 1,382,715.06 and 543,078.92

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Solution

The fourth proportional to 1,001,963.72, 1,382,715.06 and 543,078.92 is: 749,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,963.72 : 1,382,715.06 = 543,078.92 : x
  2. Step 2: Convert to fraction form
    1,001,963.72/1,382,715.06 = 543,078.92/x
  3. Step 3: Cross multiply
    1,001,963.72x = 1,382,715.06 × 543,078.92
  4. Step 4: Simplify right side
    1,001,963.72x = 750,923,401,452.54
  5. Step 5: Solve for x
    x = 750,923,401,452.54/1,001,963.72
  6. Step 6: Final answer
    x = 749,451.69

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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.