Home / 1,095,837.36-1,511,276.38-687,977.20

Finding the Fourth Proportional to 1,095,837.36, 1,511,276.38 and 687,977.20

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Solution

The fourth proportional to 1,095,837.36, 1,511,276.38 and 687,977.20 is: 948,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,837.36 : 1,511,276.38 = 687,977.20 : x
  2. Step 2: Convert to fraction form
    1,095,837.36/1,511,276.38 = 687,977.20/x
  3. Step 3: Cross multiply
    1,095,837.36x = 1,511,276.38 × 687,977.20
  4. Step 4: Simplify right side
    1,095,837.36x = 1,039,723,687,876.63
  5. Step 5: Solve for x
    x = 1,039,723,687,876.63/1,095,837.36
  6. Step 6: Final answer
    x = 948,793.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.