Home / 1,302,287.20-1,797,070.80-729,196

Finding the Fourth Proportional to 1,302,287.20, 1,797,070.80 and 729,196

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Solution

The fourth proportional to 1,302,287.20, 1,797,070.80 and 729,196 is: 1,006,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,287.20 : 1,797,070.80 = 729,196 : x
  2. Step 2: Convert to fraction form
    1,302,287.20/1,797,070.80 = 729,196/x
  3. Step 3: Cross multiply
    1,302,287.20x = 1,797,070.80 × 729,196
  4. Step 4: Simplify right side
    1,302,287.20x = 1,310,416,839,076.80
  5. Step 5: Solve for x
    x = 1,310,416,839,076.80/1,302,287.20
  6. Step 6: Final answer
    x = 1,006,242.59

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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.