Home / 1,213,542.56-1,674,724.18-669,713.48

Finding the Fourth Proportional to 1,213,542.56, 1,674,724.18 and 669,713.48

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Solution

The fourth proportional to 1,213,542.56, 1,674,724.18 and 669,713.48 is: 924,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,542.56 : 1,674,724.18 = 669,713.48 : x
  2. Step 2: Convert to fraction form
    1,213,542.56/1,674,724.18 = 669,713.48/x
  3. Step 3: Cross multiply
    1,213,542.56x = 1,674,724.18 × 669,713.48
  4. Step 4: Simplify right side
    1,213,542.56x = 1,121,585,358,627.95
  5. Step 5: Solve for x
    x = 1,121,585,358,627.95/1,213,542.56
  6. Step 6: Final answer
    x = 924,224.17

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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.