Home / 1,560,251.40-2,336,877.90-1,280,315.40

Finding the Fourth Proportional to 1,560,251.40, 2,336,877.90 and 1,280,315.40

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Solution

The fourth proportional to 1,560,251.40, 2,336,877.90 and 1,280,315.40 is: 1,917,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,251.40 : 2,336,877.90 = 1,280,315.40 : x
  2. Step 2: Convert to fraction form
    1,560,251.40/2,336,877.90 = 1,280,315.40/x
  3. Step 3: Cross multiply
    1,560,251.40x = 2,336,877.90 × 1,280,315.40
  4. Step 4: Simplify right side
    1,560,251.40x = 2,991,940,763,289.66
  5. Step 5: Solve for x
    x = 2,991,940,763,289.66/1,560,251.40
  6. Step 6: Final answer
    x = 1,917,601.72

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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.