Home / 1,284,273.80-1,772,293.46-711,313.82

Finding the Fourth Proportional to 1,284,273.80, 1,772,293.46 and 711,313.82

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Solution

The fourth proportional to 1,284,273.80, 1,772,293.46 and 711,313.82 is: 981,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,273.80 : 1,772,293.46 = 711,313.82 : x
  2. Step 2: Convert to fraction form
    1,284,273.80/1,772,293.46 = 711,313.82/x
  3. Step 3: Cross multiply
    1,284,273.80x = 1,772,293.46 × 711,313.82
  4. Step 4: Simplify right side
    1,284,273.80x = 1,260,656,831,193.62
  5. Step 5: Solve for x
    x = 1,260,656,831,193.62/1,284,273.80
  6. Step 6: Final answer
    x = 981,610.64

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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.