Home / 1,386,521.55-2,079,782.33-1,153,241.55

Finding the Fourth Proportional to 1,386,521.55, 2,079,782.33 and 1,153,241.55

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Solution

The fourth proportional to 1,386,521.55, 2,079,782.33 and 1,153,241.55 is: 1,729,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,521.55 : 2,079,782.33 = 1,153,241.55 : x
  2. Step 2: Convert to fraction form
    1,386,521.55/2,079,782.33 = 1,153,241.55/x
  3. Step 3: Cross multiply
    1,386,521.55x = 2,079,782.33 × 1,153,241.55
  4. Step 4: Simplify right side
    1,386,521.55x = 2,398,491,392,145.60
  5. Step 5: Solve for x
    x = 2,398,491,392,145.60/1,386,521.55
  6. Step 6: Final answer
    x = 1,729,862.33

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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.