Home / 1,218,174.78-1,681,096.02-674,360.86

Finding the Fourth Proportional to 1,218,174.78, 1,681,096.02 and 674,360.86

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Solution

The fourth proportional to 1,218,174.78, 1,681,096.02 and 674,360.86 is: 930,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,174.78 : 1,681,096.02 = 674,360.86 : x
  2. Step 2: Convert to fraction form
    1,218,174.78/1,681,096.02 = 674,360.86/x
  3. Step 3: Cross multiply
    1,218,174.78x = 1,681,096.02 × 674,360.86
  4. Step 4: Simplify right side
    1,218,174.78x = 1,133,665,357,789.78
  5. Step 5: Solve for x
    x = 1,133,665,357,789.78/1,218,174.78
  6. Step 6: Final answer
    x = 930,626.19

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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.