Home / 1,019,073.50-1,407,760.35-816,469.82

Finding the Fourth Proportional to 1,019,073.50, 1,407,760.35 and 816,469.82

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Solution

The fourth proportional to 1,019,073.50, 1,407,760.35 and 816,469.82 is: 1,127,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,073.50 : 1,407,760.35 = 816,469.82 : x
  2. Step 2: Convert to fraction form
    1,019,073.50/1,407,760.35 = 816,469.82/x
  3. Step 3: Cross multiply
    1,019,073.50x = 1,407,760.35 × 816,469.82
  4. Step 4: Simplify right side
    1,019,073.50x = 1,149,393,839,567.64
  5. Step 5: Solve for x
    x = 1,149,393,839,567.64/1,019,073.50
  6. Step 6: Final answer
    x = 1,127,881.20

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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.