Home / 1,077,915.30-1,616,597.16-319,579.44

Finding the Fourth Proportional to 1,077,915.30, 1,616,597.16 and 319,579.44

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Solution

The fourth proportional to 1,077,915.30, 1,616,597.16 and 319,579.44 is: 479,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,915.30 : 1,616,597.16 = 319,579.44 : x
  2. Step 2: Convert to fraction form
    1,077,915.30/1,616,597.16 = 319,579.44/x
  3. Step 3: Cross multiply
    1,077,915.30x = 1,616,597.16 × 319,579.44
  4. Step 4: Simplify right side
    1,077,915.30x = 516,631,215,098.39
  5. Step 5: Solve for x
    x = 516,631,215,098.39/1,077,915.30
  6. Step 6: Final answer
    x = 479,287.39

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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.