Home / 1,113,963.27-1,670,977.31-272,514.75

Finding the Fourth Proportional to 1,113,963.27, 1,670,977.31 and 272,514.75

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Solution

The fourth proportional to 1,113,963.27, 1,670,977.31 and 272,514.75 is: 408,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,963.27 : 1,670,977.31 = 272,514.75 : x
  2. Step 2: Convert to fraction form
    1,113,963.27/1,670,977.31 = 272,514.75/x
  3. Step 3: Cross multiply
    1,113,963.27x = 1,670,977.31 × 272,514.75
  4. Step 4: Simplify right side
    1,113,963.27x = 455,365,962,527.75
  5. Step 5: Solve for x
    x = 455,365,962,527.75/1,113,963.27
  6. Step 6: Final answer
    x = 408,780.05

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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.