Home / 1,332,639.96-1,839,057.66-729,015

Finding the Fourth Proportional to 1,332,639.96, 1,839,057.66 and 729,015

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Solution

The fourth proportional to 1,332,639.96, 1,839,057.66 and 729,015 is: 1,006,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,639.96 : 1,839,057.66 = 729,015 : x
  2. Step 2: Convert to fraction form
    1,332,639.96/1,839,057.66 = 729,015/x
  3. Step 3: Cross multiply
    1,332,639.96x = 1,839,057.66 × 729,015
  4. Step 4: Simplify right side
    1,332,639.96x = 1,340,700,620,004.90
  5. Step 5: Solve for x
    x = 1,340,700,620,004.90/1,332,639.96
  6. Step 6: Final answer
    x = 1,006,048.64

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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.