Home / 1,414,610.69-2,120,725.83-615,290.21

Finding the Fourth Proportional to 1,414,610.69, 2,120,725.83 and 615,290.21

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Solution

The fourth proportional to 1,414,610.69, 2,120,725.83 and 615,290.21 is: 922,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,610.69 : 2,120,725.83 = 615,290.21 : x
  2. Step 2: Convert to fraction form
    1,414,610.69/2,120,725.83 = 615,290.21/x
  3. Step 3: Cross multiply
    1,414,610.69x = 2,120,725.83 × 615,290.21
  4. Step 4: Simplify right side
    1,414,610.69x = 1,304,861,841,293.12
  5. Step 5: Solve for x
    x = 1,304,861,841,293.12/1,414,610.69
  6. Step 6: Final answer
    x = 922,417.63

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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.