Home / 1,276,784.80-1,915,103.36-467,715.20

Finding the Fourth Proportional to 1,276,784.80, 1,915,103.36 and 467,715.20

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Solution

The fourth proportional to 1,276,784.80, 1,915,103.36 and 467,715.20 is: 701,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,784.80 : 1,915,103.36 = 467,715.20 : x
  2. Step 2: Convert to fraction form
    1,276,784.80/1,915,103.36 = 467,715.20/x
  3. Step 3: Cross multiply
    1,276,784.80x = 1,915,103.36 × 467,715.20
  4. Step 4: Simplify right side
    1,276,784.80x = 895,722,951,043.07
  5. Step 5: Solve for x
    x = 895,722,951,043.07/1,276,784.80
  6. Step 6: Final answer
    x = 701,545.75

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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.