Home / 1,107,959.90-1,528,724.29-672,367.42

Finding the Fourth Proportional to 1,107,959.90, 1,528,724.29 and 672,367.42

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Solution

The fourth proportional to 1,107,959.90, 1,528,724.29 and 672,367.42 is: 927,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,959.90 : 1,528,724.29 = 672,367.42 : x
  2. Step 2: Convert to fraction form
    1,107,959.90/1,528,724.29 = 672,367.42/x
  3. Step 3: Cross multiply
    1,107,959.90x = 1,528,724.29 × 672,367.42
  4. Step 4: Simplify right side
    1,107,959.90x = 1,027,864,399,995.21
  5. Step 5: Solve for x
    x = 1,027,864,399,995.21/1,107,959.90
  6. Step 6: Final answer
    x = 927,709.03

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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.