Home / 1,299,299.28-1,948,948.38-352,808.88

Finding the Fourth Proportional to 1,299,299.28, 1,948,948.38 and 352,808.88

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Solution

The fourth proportional to 1,299,299.28, 1,948,948.38 and 352,808.88 is: 529,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,299.28 : 1,948,948.38 = 352,808.88 : x
  2. Step 2: Convert to fraction form
    1,299,299.28/1,948,948.38 = 352,808.88/x
  3. Step 3: Cross multiply
    1,299,299.28x = 1,948,948.38 × 352,808.88
  4. Step 4: Simplify right side
    1,299,299.28x = 687,606,295,125.61
  5. Step 5: Solve for x
    x = 687,606,295,125.61/1,299,299.28
  6. Step 6: Final answer
    x = 529,213.17

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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.