Home / 1,077,922.80-1,616,608.41-319,586.94

Finding the Fourth Proportional to 1,077,922.80, 1,616,608.41 and 319,586.94

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Solution

The fourth proportional to 1,077,922.80, 1,616,608.41 and 319,586.94 is: 479,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,922.80 : 1,616,608.41 = 319,586.94 : x
  2. Step 2: Convert to fraction form
    1,077,922.80/1,616,608.41 = 319,586.94/x
  3. Step 3: Cross multiply
    1,077,922.80x = 1,616,608.41 × 319,586.94
  4. Step 4: Simplify right side
    1,077,922.80x = 516,646,934,930.17
  5. Step 5: Solve for x
    x = 516,646,934,930.17/1,077,922.80
  6. Step 6: Final answer
    x = 479,298.64

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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.