Home / 1,386,305.94-2,079,657.27-426,842.73

Finding the Fourth Proportional to 1,386,305.94, 2,079,657.27 and 426,842.73

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Solution

The fourth proportional to 1,386,305.94, 2,079,657.27 and 426,842.73 is: 640,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,305.94 : 2,079,657.27 = 426,842.73 : x
  2. Step 2: Convert to fraction form
    1,386,305.94/2,079,657.27 = 426,842.73/x
  3. Step 3: Cross multiply
    1,386,305.94x = 2,079,657.27 × 426,842.73
  4. Step 4: Simplify right side
    1,386,305.94x = 887,686,586,591.15
  5. Step 5: Solve for x
    x = 887,686,586,591.15/1,386,305.94
  6. Step 6: Final answer
    x = 640,325.17

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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.