Home / 1,330,123.32-1,995,979.86-488,760.12

Finding the Fourth Proportional to 1,330,123.32, 1,995,979.86 and 488,760.12

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Solution

The fourth proportional to 1,330,123.32, 1,995,979.86 and 488,760.12 is: 733,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,123.32 : 1,995,979.86 = 488,760.12 : x
  2. Step 2: Convert to fraction form
    1,330,123.32/1,995,979.86 = 488,760.12/x
  3. Step 3: Cross multiply
    1,330,123.32x = 1,995,979.86 × 488,760.12
  4. Step 4: Simplify right side
    1,330,123.32x = 975,555,355,891.18
  5. Step 5: Solve for x
    x = 975,555,355,891.18/1,330,123.32
  6. Step 6: Final answer
    x = 733,432.26

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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.