Home / 1,218,275.00-1,681,232.81-674,419.88

Finding the Fourth Proportional to 1,218,275.00, 1,681,232.81 and 674,419.88

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Solution

The fourth proportional to 1,218,275.00, 1,681,232.81 and 674,419.88 is: 930,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,275.00 : 1,681,232.81 = 674,419.88 : x
  2. Step 2: Convert to fraction form
    1,218,275.00/1,681,232.81 = 674,419.88/x
  3. Step 3: Cross multiply
    1,218,275.00x = 1,681,232.81 × 674,419.88
  4. Step 4: Simplify right side
    1,218,275.00x = 1,133,856,818,194.00
  5. Step 5: Solve for x
    x = 1,133,856,818,194.00/1,218,275.00
  6. Step 6: Final answer
    x = 930,706.79

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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.