Home / 1,366,724.34-2,050,282.53-420,174.54

Finding the Fourth Proportional to 1,366,724.34, 2,050,282.53 and 420,174.54

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Solution

The fourth proportional to 1,366,724.34, 2,050,282.53 and 420,174.54 is: 630,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,724.34 : 2,050,282.53 = 420,174.54 : x
  2. Step 2: Convert to fraction form
    1,366,724.34/2,050,282.53 = 420,174.54/x
  3. Step 3: Cross multiply
    1,366,724.34x = 2,050,282.53 × 420,174.54
  4. Step 4: Simplify right side
    1,366,724.34x = 861,476,518,912.79
  5. Step 5: Solve for x
    x = 861,476,518,912.79/1,366,724.34
  6. Step 6: Final answer
    x = 630,322.07

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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.