Home / 1,340,724.16-2,011,741.84-630,822.88

Finding the Fourth Proportional to 1,340,724.16, 2,011,741.84 and 630,822.88

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Solution

The fourth proportional to 1,340,724.16, 2,011,741.84 and 630,822.88 is: 946,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,724.16 : 2,011,741.84 = 630,822.88 : x
  2. Step 2: Convert to fraction form
    1,340,724.16/2,011,741.84 = 630,822.88/x
  3. Step 3: Cross multiply
    1,340,724.16x = 2,011,741.84 × 630,822.88
  4. Step 4: Simplify right side
    1,340,724.16x = 1,269,052,781,325.30
  5. Step 5: Solve for x
    x = 1,269,052,781,325.30/1,340,724.16
  6. Step 6: Final answer
    x = 946,542.79

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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.