Home / 1,396,427.10-2,094,640.65-864,986.10

Finding the Fourth Proportional to 1,396,427.10, 2,094,640.65 and 864,986.10

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Solution

The fourth proportional to 1,396,427.10, 2,094,640.65 and 864,986.10 is: 1,297,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,427.10 : 2,094,640.65 = 864,986.10 : x
  2. Step 2: Convert to fraction form
    1,396,427.10/2,094,640.65 = 864,986.10/x
  3. Step 3: Cross multiply
    1,396,427.10x = 2,094,640.65 × 864,986.10
  4. Step 4: Simplify right side
    1,396,427.10x = 1,811,835,046,744.97
  5. Step 5: Solve for x
    x = 1,811,835,046,744.97/1,396,427.10
  6. Step 6: Final answer
    x = 1,297,479.15

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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.