Home / 1,118,370.78-1,677,611.46-319,769.82

Finding the Fourth Proportional to 1,118,370.78, 1,677,611.46 and 319,769.82

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Solution

The fourth proportional to 1,118,370.78, 1,677,611.46 and 319,769.82 is: 479,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,370.78 : 1,677,611.46 = 319,769.82 : x
  2. Step 2: Convert to fraction form
    1,118,370.78/1,677,611.46 = 319,769.82/x
  3. Step 3: Cross multiply
    1,118,370.78x = 1,677,611.46 × 319,769.82
  4. Step 4: Simplify right side
    1,118,370.78x = 536,449,514,594.14
  5. Step 5: Solve for x
    x = 536,449,514,594.14/1,118,370.78
  6. Step 6: Final answer
    x = 479,670.54

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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.