Home / 1,478,500.26-2,217,415.92-679,013.25

Finding the Fourth Proportional to 1,478,500.26, 2,217,415.92 and 679,013.25

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Solution

The fourth proportional to 1,478,500.26, 2,217,415.92 and 679,013.25 is: 1,018,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,500.26 : 2,217,415.92 = 679,013.25 : x
  2. Step 2: Convert to fraction form
    1,478,500.26/2,217,415.92 = 679,013.25/x
  3. Step 3: Cross multiply
    1,478,500.26x = 2,217,415.92 × 679,013.25
  4. Step 4: Simplify right side
    1,478,500.26x = 1,505,654,790,440.94
  5. Step 5: Solve for x
    x = 1,505,654,790,440.94/1,478,500.26
  6. Step 6: Final answer
    x = 1,018,366.27

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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.