Home / 1,253,999.20-1,879,832.40-874,919.20

Finding the Fourth Proportional to 1,253,999.20, 1,879,832.40 and 874,919.20

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Solution

The fourth proportional to 1,253,999.20, 1,879,832.40 and 874,919.20 is: 1,311,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,999.20 : 1,879,832.40 = 874,919.20 : x
  2. Step 2: Convert to fraction form
    1,253,999.20/1,879,832.40 = 874,919.20/x
  3. Step 3: Cross multiply
    1,253,999.20x = 1,879,832.40 × 874,919.20
  4. Step 4: Simplify right side
    1,253,999.20x = 1,644,701,459,542.08
  5. Step 5: Solve for x
    x = 1,644,701,459,542.08/1,253,999.20
  6. Step 6: Final answer
    x = 1,311,565.00

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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.