Home / 1,644,072.16-2,467,507.92-647,500

Finding the Fourth Proportional to 1,644,072.16, 2,467,507.92 and 647,500

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Solution

The fourth proportional to 1,644,072.16, 2,467,507.92 and 647,500 is: 971,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,072.16 : 2,467,507.92 = 647,500 : x
  2. Step 2: Convert to fraction form
    1,644,072.16/2,467,507.92 = 647,500/x
  3. Step 3: Cross multiply
    1,644,072.16x = 2,467,507.92 × 647,500
  4. Step 4: Simplify right side
    1,644,072.16x = 1,597,711,378,200
  5. Step 5: Solve for x
    x = 1,597,711,378,200/1,644,072.16
  6. Step 6: Final answer
    x = 971,801.25

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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.