Home / 1,213,155.05-1,819,990.91-360,229.14

Finding the Fourth Proportional to 1,213,155.05, 1,819,990.91 and 360,229.14

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Solution

The fourth proportional to 1,213,155.05, 1,819,990.91 and 360,229.14 is: 540,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,155.05 : 1,819,990.91 = 360,229.14 : x
  2. Step 2: Convert to fraction form
    1,213,155.05/1,819,990.91 = 360,229.14/x
  3. Step 3: Cross multiply
    1,213,155.05x = 1,819,990.91 × 360,229.14
  4. Step 4: Simplify right side
    1,213,155.05x = 655,613,761,217.69
  5. Step 5: Solve for x
    x = 655,613,761,217.69/1,213,155.05
  6. Step 6: Final answer
    x = 540,420.42

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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.