Home / 1,213,195.76-1,674,215.80-669,338.16

Finding the Fourth Proportional to 1,213,195.76, 1,674,215.80 and 669,338.16

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Solution

The fourth proportional to 1,213,195.76, 1,674,215.80 and 669,338.16 is: 923,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,195.76 : 1,674,215.80 = 669,338.16 : x
  2. Step 2: Convert to fraction form
    1,213,195.76/1,674,215.80 = 669,338.16/x
  3. Step 3: Cross multiply
    1,213,195.76x = 1,674,215.80 × 669,338.16
  4. Step 4: Simplify right side
    1,213,195.76x = 1,120,616,523,014.93
  5. Step 5: Solve for x
    x = 1,120,616,523,014.93/1,213,195.76
  6. Step 6: Final answer
    x = 923,689.78

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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.