Home / 1,341,212.20-2,011,127.10-499,330.60

Finding the Fourth Proportional to 1,341,212.20, 2,011,127.10 and 499,330.60

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Solution

The fourth proportional to 1,341,212.20, 2,011,127.10 and 499,330.60 is: 748,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,212.20 : 2,011,127.10 = 499,330.60 : x
  2. Step 2: Convert to fraction form
    1,341,212.20/2,011,127.10 = 499,330.60/x
  3. Step 3: Cross multiply
    1,341,212.20x = 2,011,127.10 × 499,330.60
  4. Step 4: Simplify right side
    1,341,212.20x = 1,004,217,301,519.26
  5. Step 5: Solve for x
    x = 1,004,217,301,519.26/1,341,212.20
  6. Step 6: Final answer
    x = 748,738.57

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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.