Home / 1,667,064.80-2,496,910.80-669,279.20

Finding the Fourth Proportional to 1,667,064.80, 2,496,910.80 and 669,279.20

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Solution

The fourth proportional to 1,667,064.80, 2,496,910.80 and 669,279.20 is: 1,002,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,064.80 : 2,496,910.80 = 669,279.20 : x
  2. Step 2: Convert to fraction form
    1,667,064.80/2,496,910.80 = 669,279.20/x
  3. Step 3: Cross multiply
    1,667,064.80x = 2,496,910.80 × 669,279.20
  4. Step 4: Simplify right side
    1,667,064.80x = 1,671,130,462,695.36
  5. Step 5: Solve for x
    x = 1,671,130,462,695.36/1,667,064.80
  6. Step 6: Final answer
    x = 1,002,438.82

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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.