Home / 1,478,518.56-2,040,382.18-867,112.30

Finding the Fourth Proportional to 1,478,518.56, 2,040,382.18 and 867,112.30

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Solution

The fourth proportional to 1,478,518.56, 2,040,382.18 and 867,112.30 is: 1,196,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,518.56 : 2,040,382.18 = 867,112.30 : x
  2. Step 2: Convert to fraction form
    1,478,518.56/2,040,382.18 = 867,112.30/x
  3. Step 3: Cross multiply
    1,478,518.56x = 2,040,382.18 × 867,112.30
  4. Step 4: Simplify right side
    1,478,518.56x = 1,769,240,474,776.90
  5. Step 5: Solve for x
    x = 1,769,240,474,776.90/1,478,518.56
  6. Step 6: Final answer
    x = 1,196,630.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.