Home / 1,300,517.10-1,950,921.45-401,951.70

Finding the Fourth Proportional to 1,300,517.10, 1,950,921.45 and 401,951.70

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Solution

The fourth proportional to 1,300,517.10, 1,950,921.45 and 401,951.70 is: 602,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,517.10 : 1,950,921.45 = 401,951.70 : x
  2. Step 2: Convert to fraction form
    1,300,517.10/1,950,921.45 = 401,951.70/x
  3. Step 3: Cross multiply
    1,300,517.10x = 1,950,921.45 × 401,951.70
  4. Step 4: Simplify right side
    1,300,517.10x = 784,176,193,393.97
  5. Step 5: Solve for x
    x = 784,176,193,393.97/1,300,517.10
  6. Step 6: Final answer
    x = 602,972.61

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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.