Home / 1,465,895.70-2,198,843.55-905,246.10

Finding the Fourth Proportional to 1,465,895.70, 2,198,843.55 and 905,246.10

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Solution

The fourth proportional to 1,465,895.70, 2,198,843.55 and 905,246.10 is: 1,357,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,895.70 : 2,198,843.55 = 905,246.10 : x
  2. Step 2: Convert to fraction form
    1,465,895.70/2,198,843.55 = 905,246.10/x
  3. Step 3: Cross multiply
    1,465,895.70x = 2,198,843.55 × 905,246.10
  4. Step 4: Simplify right side
    1,465,895.70x = 1,990,494,548,147.65
  5. Step 5: Solve for x
    x = 1,990,494,548,147.65/1,465,895.70
  6. Step 6: Final answer
    x = 1,357,869.15

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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.