Home / 1,386,233.20-2,077,794.60-587,378.80

Finding the Fourth Proportional to 1,386,233.20, 2,077,794.60 and 587,378.80

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Solution

The fourth proportional to 1,386,233.20, 2,077,794.60 and 587,378.80 is: 880,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,233.20 : 2,077,794.60 = 587,378.80 : x
  2. Step 2: Convert to fraction form
    1,386,233.20/2,077,794.60 = 587,378.80/x
  3. Step 3: Cross multiply
    1,386,233.20x = 2,077,794.60 × 587,378.80
  4. Step 4: Simplify right side
    1,386,233.20x = 1,220,452,498,794.48
  5. Step 5: Solve for x
    x = 1,220,452,498,794.48/1,386,233.20
  6. Step 6: Final answer
    x = 880,409.23

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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.