Home / 1,284,737.20-1,772,995.43-711,777.38

Finding the Fourth Proportional to 1,284,737.20, 1,772,995.43 and 711,777.38

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Solution

The fourth proportional to 1,284,737.20, 1,772,995.43 and 711,777.38 is: 982,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,737.20 : 1,772,995.43 = 711,777.38 : x
  2. Step 2: Convert to fraction form
    1,284,737.20/1,772,995.43 = 711,777.38/x
  3. Step 3: Cross multiply
    1,284,737.20x = 1,772,995.43 × 711,777.38
  4. Step 4: Simplify right side
    1,284,737.20x = 1,261,978,034,831.84
  5. Step 5: Solve for x
    x = 1,261,978,034,831.84/1,284,737.20
  6. Step 6: Final answer
    x = 982,284.96

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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.