Home / 1,204,360.38-1,662,017.32-667,816.38

Finding the Fourth Proportional to 1,204,360.38, 1,662,017.32 and 667,816.38

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Solution

The fourth proportional to 1,204,360.38, 1,662,017.32 and 667,816.38 is: 921,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,360.38 : 1,662,017.32 = 667,816.38 : x
  2. Step 2: Convert to fraction form
    1,204,360.38/1,662,017.32 = 667,816.38/x
  3. Step 3: Cross multiply
    1,204,360.38x = 1,662,017.32 × 667,816.38
  4. Step 4: Simplify right side
    1,204,360.38x = 1,109,922,390,139.70
  5. Step 5: Solve for x
    x = 1,109,922,390,139.70/1,204,360.38
  6. Step 6: Final answer
    x = 921,586.60

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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.