Home / 1,280,392.14-1,766,976.80-707,469.24

Finding the Fourth Proportional to 1,280,392.14, 1,766,976.80 and 707,469.24

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Solution

The fourth proportional to 1,280,392.14, 1,766,976.80 and 707,469.24 is: 976,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,392.14 : 1,766,976.80 = 707,469.24 : x
  2. Step 2: Convert to fraction form
    1,280,392.14/1,766,976.80 = 707,469.24/x
  3. Step 3: Cross multiply
    1,280,392.14x = 1,766,976.80 × 707,469.24
  4. Step 4: Simplify right side
    1,280,392.14x = 1,250,081,733,793.63
  5. Step 5: Solve for x
    x = 1,250,081,733,793.63/1,280,392.14
  6. Step 6: Final answer
    x = 976,327.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.