Home / 1,300,221.92-1,794,310.80-727,225.44

Finding the Fourth Proportional to 1,300,221.92, 1,794,310.80 and 727,225.44

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Solution

The fourth proportional to 1,300,221.92, 1,794,310.80 and 727,225.44 is: 1,003,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,221.92 : 1,794,310.80 = 727,225.44 : x
  2. Step 2: Convert to fraction form
    1,300,221.92/1,794,310.80 = 727,225.44/x
  3. Step 3: Cross multiply
    1,300,221.92x = 1,794,310.80 × 727,225.44
  4. Step 4: Simplify right side
    1,300,221.92x = 1,304,868,461,026.75
  5. Step 5: Solve for x
    x = 1,304,868,461,026.75/1,300,221.92
  6. Step 6: Final answer
    x = 1,003,573.65

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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.