Home / 1,386,205.20-2,077,752.60-587,350.80

Finding the Fourth Proportional to 1,386,205.20, 2,077,752.60 and 587,350.80

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Solution

The fourth proportional to 1,386,205.20, 2,077,752.60 and 587,350.80 is: 880,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,205.20 : 2,077,752.60 = 587,350.80 : x
  2. Step 2: Convert to fraction form
    1,386,205.20/2,077,752.60 = 587,350.80/x
  3. Step 3: Cross multiply
    1,386,205.20x = 2,077,752.60 × 587,350.80
  4. Step 4: Simplify right side
    1,386,205.20x = 1,220,369,651,812.08
  5. Step 5: Solve for x
    x = 1,220,369,651,812.08/1,386,205.20
  6. Step 6: Final answer
    x = 880,367.24

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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.