Home / 1,217,959.72-1,826,808.34-319,491.52

Finding the Fourth Proportional to 1,217,959.72, 1,826,808.34 and 319,491.52

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Solution

The fourth proportional to 1,217,959.72, 1,826,808.34 and 319,491.52 is: 479,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,959.72 : 1,826,808.34 = 319,491.52 : x
  2. Step 2: Convert to fraction form
    1,217,959.72/1,826,808.34 = 319,491.52/x
  3. Step 3: Cross multiply
    1,217,959.72x = 1,826,808.34 × 319,491.52
  4. Step 4: Simplify right side
    1,217,959.72x = 583,649,773,295.28
  5. Step 5: Solve for x
    x = 583,649,773,295.28/1,217,959.72
  6. Step 6: Final answer
    x = 479,202.85

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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.