Home / 1,000,116.19-1,380,357.08-757,976.41

Finding the Fourth Proportional to 1,000,116.19, 1,380,357.08 and 757,976.41

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Solution

The fourth proportional to 1,000,116.19, 1,380,357.08 and 757,976.41 is: 1,046,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,116.19 : 1,380,357.08 = 757,976.41 : x
  2. Step 2: Convert to fraction form
    1,000,116.19/1,380,357.08 = 757,976.41/x
  3. Step 3: Cross multiply
    1,000,116.19x = 1,380,357.08 × 757,976.41
  4. Step 4: Simplify right side
    1,000,116.19x = 1,046,278,104,016.48
  5. Step 5: Solve for x
    x = 1,046,278,104,016.48/1,000,116.19
  6. Step 6: Final answer
    x = 1,046,156.55

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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.