Home / 1,155,115.80-1,730,600.10-1,022,405.40

Finding the Fourth Proportional to 1,155,115.80, 1,730,600.10 and 1,022,405.40

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Solution

The fourth proportional to 1,155,115.80, 1,730,600.10 and 1,022,405.40 is: 1,531,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,115.80 : 1,730,600.10 = 1,022,405.40 : x
  2. Step 2: Convert to fraction form
    1,155,115.80/1,730,600.10 = 1,022,405.40/x
  3. Step 3: Cross multiply
    1,155,115.80x = 1,730,600.10 × 1,022,405.40
  4. Step 4: Simplify right side
    1,155,115.80x = 1,769,374,887,480.54
  5. Step 5: Solve for x
    x = 1,769,374,887,480.54/1,155,115.80
  6. Step 6: Final answer
    x = 1,531,772.73

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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.