Home / 2,485,999.60-3,729,187.32-688,862.32

Finding the Fourth Proportional to 2,485,999.60, 3,729,187.32 and 688,862.32

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Solution

The fourth proportional to 2,485,999.60, 3,729,187.32 and 688,862.32 is: 1,033,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,999.60 : 3,729,187.32 = 688,862.32 : x
  2. Step 2: Convert to fraction form
    2,485,999.60/3,729,187.32 = 688,862.32/x
  3. Step 3: Cross multiply
    2,485,999.60x = 3,729,187.32 × 688,862.32
  4. Step 4: Simplify right side
    2,485,999.60x = 2,568,896,628,969.78
  5. Step 5: Solve for x
    x = 2,568,896,628,969.78/2,485,999.60
  6. Step 6: Final answer
    x = 1,033,345.55

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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.