Home / 1,519,728.80-2,279,592.72-572,878.10

Finding the Fourth Proportional to 1,519,728.80, 2,279,592.72 and 572,878.10

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Solution

The fourth proportional to 1,519,728.80, 2,279,592.72 and 572,878.10 is: 859,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,728.80 : 2,279,592.72 = 572,878.10 : x
  2. Step 2: Convert to fraction form
    1,519,728.80/2,279,592.72 = 572,878.10/x
  3. Step 3: Cross multiply
    1,519,728.80x = 2,279,592.72 × 572,878.10
  4. Step 4: Simplify right side
    1,519,728.80x = 1,305,928,746,207.43
  5. Step 5: Solve for x
    x = 1,305,928,746,207.43/1,519,728.80
  6. Step 6: Final answer
    x = 859,316.97

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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.