Home / 1,496,292.72-2,245,129.20-928,340.98

Finding the Fourth Proportional to 1,496,292.72, 2,245,129.20 and 928,340.98

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Solution

The fourth proportional to 1,496,292.72, 2,245,129.20 and 928,340.98 is: 1,392,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,292.72 : 2,245,129.20 = 928,340.98 : x
  2. Step 2: Convert to fraction form
    1,496,292.72/2,245,129.20 = 928,340.98/x
  3. Step 3: Cross multiply
    1,496,292.72x = 2,245,129.20 × 928,340.98
  4. Step 4: Simplify right side
    1,496,292.72x = 2,084,245,441,754.62
  5. Step 5: Solve for x
    x = 2,084,245,441,754.62/1,496,292.72
  6. Step 6: Final answer
    x = 1,392,939.64

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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.