Home / 1,908,449.39-2,862,608.47-488,517.77

Finding the Fourth Proportional to 1,908,449.39, 2,862,608.47 and 488,517.77

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Solution

The fourth proportional to 1,908,449.39, 2,862,608.47 and 488,517.77 is: 732,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,449.39 : 2,862,608.47 = 488,517.77 : x
  2. Step 2: Convert to fraction form
    1,908,449.39/2,862,608.47 = 488,517.77/x
  3. Step 3: Cross multiply
    1,908,449.39x = 2,862,608.47 × 488,517.77
  4. Step 4: Simplify right side
    1,908,449.39x = 1,398,435,106,147.51
  5. Step 5: Solve for x
    x = 1,398,435,106,147.51/1,908,449.39
  6. Step 6: Final answer
    x = 732,759.86

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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.