Home / 1,275,234.35-1,908,422.85-876,653.60

Finding the Fourth Proportional to 1,275,234.35, 1,908,422.85 and 876,653.60

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Solution

The fourth proportional to 1,275,234.35, 1,908,422.85 and 876,653.60 is: 1,311,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,234.35 : 1,908,422.85 = 876,653.60 : x
  2. Step 2: Convert to fraction form
    1,275,234.35/1,908,422.85 = 876,653.60/x
  3. Step 3: Cross multiply
    1,275,234.35x = 1,908,422.85 × 876,653.60
  4. Step 4: Simplify right side
    1,275,234.35x = 1,673,025,761,774.76
  5. Step 5: Solve for x
    x = 1,673,025,761,774.76/1,275,234.35
  6. Step 6: Final answer
    x = 1,311,935.93

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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.