Home / 1,218,274.76-1,681,232.46-674,419.62

Finding the Fourth Proportional to 1,218,274.76, 1,681,232.46 and 674,419.62

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Solution

The fourth proportional to 1,218,274.76, 1,681,232.46 and 674,419.62 is: 930,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,274.76 : 1,681,232.46 = 674,419.62 : x
  2. Step 2: Convert to fraction form
    1,218,274.76/1,681,232.46 = 674,419.62/x
  3. Step 3: Cross multiply
    1,218,274.76x = 1,681,232.46 × 674,419.62
  4. Step 4: Simplify right side
    1,218,274.76x = 1,133,856,156,804.87
  5. Step 5: Solve for x
    x = 1,133,856,156,804.87/1,218,274.76
  6. Step 6: Final answer
    x = 930,706.43

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Double scale
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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.