Home / 1,284,649.74-1,772,673.60-711,546.39

Finding the Fourth Proportional to 1,284,649.74, 1,772,673.60 and 711,546.39

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Solution

The fourth proportional to 1,284,649.74, 1,772,673.60 and 711,546.39 is: 981,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,649.74 : 1,772,673.60 = 711,546.39 : x
  2. Step 2: Convert to fraction form
    1,284,649.74/1,772,673.60 = 711,546.39/x
  3. Step 3: Cross multiply
    1,284,649.74x = 1,772,673.60 × 711,546.39
  4. Step 4: Simplify right side
    1,284,649.74x = 1,261,339,500,728.30
  5. Step 5: Solve for x
    x = 1,261,339,500,728.30/1,284,649.74
  6. Step 6: Final answer
    x = 981,854.79

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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.