Home / 1,302,291.20-1,797,076.32-729,200

Finding the Fourth Proportional to 1,302,291.20, 1,797,076.32 and 729,200

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Solution

The fourth proportional to 1,302,291.20, 1,797,076.32 and 729,200 is: 1,006,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,291.20 : 1,797,076.32 = 729,200 : x
  2. Step 2: Convert to fraction form
    1,302,291.20/1,797,076.32 = 729,200/x
  3. Step 3: Cross multiply
    1,302,291.20x = 1,797,076.32 × 729,200
  4. Step 4: Simplify right side
    1,302,291.20x = 1,310,428,052,544
  5. Step 5: Solve for x
    x = 1,310,428,052,544/1,302,291.20
  6. Step 6: Final answer
    x = 1,006,248.11

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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.