Home / 1,218,375.04-1,681,336.56-674,499.28

Finding the Fourth Proportional to 1,218,375.04, 1,681,336.56 and 674,499.28

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Solution

The fourth proportional to 1,218,375.04, 1,681,336.56 and 674,499.28 is: 930,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,375.04 : 1,681,336.56 = 674,499.28 : x
  2. Step 2: Convert to fraction form
    1,218,375.04/1,681,336.56 = 674,499.28/x
  3. Step 3: Cross multiply
    1,218,375.04x = 1,681,336.56 × 674,499.28
  4. Step 4: Simplify right side
    1,218,375.04x = 1,134,060,299,157.68
  5. Step 5: Solve for x
    x = 1,134,060,299,157.68/1,218,375.04
  6. Step 6: Final answer
    x = 930,797.38

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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.