Home / 1,513,944.80-2,270,868-615,120.80

Finding the Fourth Proportional to 1,513,944.80, 2,270,868 and 615,120.80

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Solution

The fourth proportional to 1,513,944.80, 2,270,868 and 615,120.80 is: 922,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,944.80 : 2,270,868 = 615,120.80 : x
  2. Step 2: Convert to fraction form
    1,513,944.80/2,270,868 = 615,120.80/x
  3. Step 3: Cross multiply
    1,513,944.80x = 2,270,868 × 615,120.80
  4. Step 4: Simplify right side
    1,513,944.80x = 1,396,858,140,854.40
  5. Step 5: Solve for x
    x = 1,396,858,140,854.40/1,513,944.80
  6. Step 6: Final answer
    x = 922,661.21

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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.