Home / 1,213,189.30-1,674,233.28-669,332.20

Finding the Fourth Proportional to 1,213,189.30, 1,674,233.28 and 669,332.20

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Solution

The fourth proportional to 1,213,189.30, 1,674,233.28 and 669,332.20 is: 923,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,189.30 : 1,674,233.28 = 669,332.20 : x
  2. Step 2: Convert to fraction form
    1,213,189.30/1,674,233.28 = 669,332.20/x
  3. Step 3: Cross multiply
    1,213,189.30x = 1,674,233.28 × 669,332.20
  4. Step 4: Simplify right side
    1,213,189.30x = 1,120,618,244,615.62
  5. Step 5: Solve for x
    x = 1,120,618,244,615.62/1,213,189.30
  6. Step 6: Final answer
    x = 923,696.12

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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.