Home / 1,452,979.65-2,179,471.23-694,642.80

Finding the Fourth Proportional to 1,452,979.65, 2,179,471.23 and 694,642.80

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Solution

The fourth proportional to 1,452,979.65, 2,179,471.23 and 694,642.80 is: 1,041,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,979.65 : 2,179,471.23 = 694,642.80 : x
  2. Step 2: Convert to fraction form
    1,452,979.65/2,179,471.23 = 694,642.80/x
  3. Step 3: Cross multiply
    1,452,979.65x = 2,179,471.23 × 694,642.80
  4. Step 4: Simplify right side
    1,452,979.65x = 1,513,953,997,726.64
  5. Step 5: Solve for x
    x = 1,513,953,997,726.64/1,452,979.65
  6. Step 6: Final answer
    x = 1,041,965.04

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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.