Home / 1,338,787.95-2,008,246.51-440,209.79

Finding the Fourth Proportional to 1,338,787.95, 2,008,246.51 and 440,209.79

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Solution

The fourth proportional to 1,338,787.95, 2,008,246.51 and 440,209.79 is: 660,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,787.95 : 2,008,246.51 = 440,209.79 : x
  2. Step 2: Convert to fraction form
    1,338,787.95/2,008,246.51 = 440,209.79/x
  3. Step 3: Cross multiply
    1,338,787.95x = 2,008,246.51 × 440,209.79
  4. Step 4: Simplify right side
    1,338,787.95x = 884,049,772,234.28
  5. Step 5: Solve for x
    x = 884,049,772,234.28/1,338,787.95
  6. Step 6: Final answer
    x = 660,335.92

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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.