Home / 1,295,459.52-1,940,586.90-645,076.32

Finding the Fourth Proportional to 1,295,459.52, 1,940,586.90 and 645,076.32

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Solution

The fourth proportional to 1,295,459.52, 1,940,586.90 and 645,076.32 is: 966,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,459.52 : 1,940,586.90 = 645,076.32 : x
  2. Step 2: Convert to fraction form
    1,295,459.52/1,940,586.90 = 645,076.32/x
  3. Step 3: Cross multiply
    1,295,459.52x = 1,940,586.90 × 645,076.32
  4. Step 4: Simplify right side
    1,295,459.52x = 1,251,826,656,092.21
  5. Step 5: Solve for x
    x = 1,251,826,656,092.21/1,295,459.52
  6. Step 6: Final answer
    x = 966,318.62

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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.