Home / 1,323,338.20-1,986,044.10-613,454.20

Finding the Fourth Proportional to 1,323,338.20, 1,986,044.10 and 613,454.20

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Solution

The fourth proportional to 1,323,338.20, 1,986,044.10 and 613,454.20 is: 920,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,338.20 : 1,986,044.10 = 613,454.20 : x
  2. Step 2: Convert to fraction form
    1,323,338.20/1,986,044.10 = 613,454.20/x
  3. Step 3: Cross multiply
    1,323,338.20x = 1,986,044.10 × 613,454.20
  4. Step 4: Simplify right side
    1,323,338.20x = 1,218,347,094,530.22
  5. Step 5: Solve for x
    x = 1,218,347,094,530.22/1,323,338.20
  6. Step 6: Final answer
    x = 920,661.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.