Home / 1,414,621.35-2,120,741.75-615,300.86

Finding the Fourth Proportional to 1,414,621.35, 2,120,741.75 and 615,300.86

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Solution

The fourth proportional to 1,414,621.35, 2,120,741.75 and 615,300.86 is: 922,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,621.35 : 2,120,741.75 = 615,300.86 : x
  2. Step 2: Convert to fraction form
    1,414,621.35/2,120,741.75 = 615,300.86/x
  3. Step 3: Cross multiply
    1,414,621.35x = 2,120,741.75 × 615,300.86
  4. Step 4: Simplify right side
    1,414,621.35x = 1,304,894,208,932.69
  5. Step 5: Solve for x
    x = 1,304,894,208,932.69/1,414,621.35
  6. Step 6: Final answer
    x = 922,433.56

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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.