Home / 1,098,859.97-1,648,024.27-300,145.70

Finding the Fourth Proportional to 1,098,859.97, 1,648,024.27 and 300,145.70

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Solution

The fourth proportional to 1,098,859.97, 1,648,024.27 and 300,145.70 is: 450,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,859.97 : 1,648,024.27 = 300,145.70 : x
  2. Step 2: Convert to fraction form
    1,098,859.97/1,648,024.27 = 300,145.70/x
  3. Step 3: Cross multiply
    1,098,859.97x = 1,648,024.27 × 300,145.70
  4. Step 4: Simplify right side
    1,098,859.97x = 494,647,389,145.65
  5. Step 5: Solve for x
    x = 494,647,389,145.65/1,098,859.97
  6. Step 6: Final answer
    x = 450,145.97

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1.5x scale

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.