Home / 1,077,481.80-1,616,222.70-986,502.60

Finding the Fourth Proportional to 1,077,481.80, 1,616,222.70 and 986,502.60

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Solution

The fourth proportional to 1,077,481.80, 1,616,222.70 and 986,502.60 is: 1,479,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,481.80 : 1,616,222.70 = 986,502.60 : x
  2. Step 2: Convert to fraction form
    1,077,481.80/1,616,222.70 = 986,502.60/x
  3. Step 3: Cross multiply
    1,077,481.80x = 1,616,222.70 × 986,502.60
  4. Step 4: Simplify right side
    1,077,481.80x = 1,594,407,895,729.02
  5. Step 5: Solve for x
    x = 1,594,407,895,729.02/1,077,481.80
  6. Step 6: Final answer
    x = 1,479,753.90

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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.