Home / 1,254,432.78-1,872,169.40-1,133,364.18

Finding the Fourth Proportional to 1,254,432.78, 1,872,169.40 and 1,133,364.18

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Solution

The fourth proportional to 1,254,432.78, 1,872,169.40 and 1,133,364.18 is: 1,691,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,432.78 : 1,872,169.40 = 1,133,364.18 : x
  2. Step 2: Convert to fraction form
    1,254,432.78/1,872,169.40 = 1,133,364.18/x
  3. Step 3: Cross multiply
    1,254,432.78x = 1,872,169.40 × 1,133,364.18
  4. Step 4: Simplify right side
    1,254,432.78x = 2,121,849,731,185.27
  5. Step 5: Solve for x
    x = 2,121,849,731,185.27/1,254,432.78
  6. Step 6: Final answer
    x = 1,691,481.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.