Home / 1,467,156.87-2,200,758.35-668,406.15

Finding the Fourth Proportional to 1,467,156.87, 2,200,758.35 and 668,406.15

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Solution

The fourth proportional to 1,467,156.87, 2,200,758.35 and 668,406.15 is: 1,002,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,156.87 : 2,200,758.35 = 668,406.15 : x
  2. Step 2: Convert to fraction form
    1,467,156.87/2,200,758.35 = 668,406.15/x
  3. Step 3: Cross multiply
    1,467,156.87x = 2,200,758.35 × 668,406.15
  4. Step 4: Simplify right side
    1,467,156.87x = 1,471,000,412,461.82
  5. Step 5: Solve for x
    x = 1,471,000,412,461.82/1,467,156.87
  6. Step 6: Final answer
    x = 1,002,619.72

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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.