Home / 1,367,278.32-1,886,832.97-755,429.11

Finding the Fourth Proportional to 1,367,278.32, 1,886,832.97 and 755,429.11

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Solution

The fourth proportional to 1,367,278.32, 1,886,832.97 and 755,429.11 is: 1,042,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,278.32 : 1,886,832.97 = 755,429.11 : x
  2. Step 2: Convert to fraction form
    1,367,278.32/1,886,832.97 = 755,429.11/x
  3. Step 3: Cross multiply
    1,367,278.32x = 1,886,832.97 × 755,429.11
  4. Step 4: Simplify right side
    1,367,278.32x = 1,425,368,551,245.76
  5. Step 5: Solve for x
    x = 1,425,368,551,245.76/1,367,278.32
  6. Step 6: Final answer
    x = 1,042,486.03

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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.