Home / 1,330,631.34-1,995,946.80-319,753.29

Finding the Fourth Proportional to 1,330,631.34, 1,995,946.80 and 319,753.29

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Solution

The fourth proportional to 1,330,631.34, 1,995,946.80 and 319,753.29 is: 479,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,631.34 : 1,995,946.80 = 319,753.29 : x
  2. Step 2: Convert to fraction form
    1,330,631.34/1,995,946.80 = 319,753.29/x
  3. Step 3: Cross multiply
    1,330,631.34x = 1,995,946.80 × 319,753.29
  4. Step 4: Simplify right side
    1,330,631.34x = 638,210,555,964.97
  5. Step 5: Solve for x
    x = 638,210,555,964.97/1,330,631.34
  6. Step 6: Final answer
    x = 479,629.88

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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.