Home / 1,385,115.02-2,077,790.94-486,478.52

Finding the Fourth Proportional to 1,385,115.02, 2,077,790.94 and 486,478.52

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Solution

The fourth proportional to 1,385,115.02, 2,077,790.94 and 486,478.52 is: 729,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,115.02 : 2,077,790.94 = 486,478.52 : x
  2. Step 2: Convert to fraction form
    1,385,115.02/2,077,790.94 = 486,478.52/x
  3. Step 3: Cross multiply
    1,385,115.02x = 2,077,790.94 × 486,478.52
  4. Step 4: Simplify right side
    1,385,115.02x = 1,010,800,661,360.61
  5. Step 5: Solve for x
    x = 1,010,800,661,360.61/1,385,115.02
  6. Step 6: Final answer
    x = 729,759.37

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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.