Home / 1,434,761.42-1,979,906.87-822,475.22

Finding the Fourth Proportional to 1,434,761.42, 1,979,906.87 and 822,475.22

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Solution

The fourth proportional to 1,434,761.42, 1,979,906.87 and 822,475.22 is: 1,134,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,761.42 : 1,979,906.87 = 822,475.22 : x
  2. Step 2: Convert to fraction form
    1,434,761.42/1,979,906.87 = 822,475.22/x
  3. Step 3: Cross multiply
    1,434,761.42x = 1,979,906.87 × 822,475.22
  4. Step 4: Simplify right side
    1,434,761.42x = 1,628,424,330,639.42
  5. Step 5: Solve for x
    x = 1,628,424,330,639.42/1,434,761.42
  6. Step 6: Final answer
    x = 1,134,979.18

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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.