Home / 1,011,057.74-1,394,618.90-768,809.22

Finding the Fourth Proportional to 1,011,057.74, 1,394,618.90 and 768,809.22

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Solution

The fourth proportional to 1,011,057.74, 1,394,618.90 and 768,809.22 is: 1,060,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,057.74 : 1,394,618.90 = 768,809.22 : x
  2. Step 2: Convert to fraction form
    1,011,057.74/1,394,618.90 = 768,809.22/x
  3. Step 3: Cross multiply
    1,011,057.74x = 1,394,618.90 × 768,809.22
  4. Step 4: Simplify right side
    1,011,057.74x = 1,072,195,868,706.26
  5. Step 5: Solve for x
    x = 1,072,195,868,706.26/1,011,057.74
  6. Step 6: Final answer
    x = 1,060,469.47

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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.