Home / 1,012,282.12-1,396,905.78-553,387.96

Finding the Fourth Proportional to 1,012,282.12, 1,396,905.78 and 553,387.96

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Solution

The fourth proportional to 1,012,282.12, 1,396,905.78 and 553,387.96 is: 763,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,282.12 : 1,396,905.78 = 553,387.96 : x
  2. Step 2: Convert to fraction form
    1,012,282.12/1,396,905.78 = 553,387.96/x
  3. Step 3: Cross multiply
    1,012,282.12x = 1,396,905.78 × 553,387.96
  4. Step 4: Simplify right side
    1,012,282.12x = 773,030,839,906.41
  5. Step 5: Solve for x
    x = 773,030,839,906.41/1,012,282.12
  6. Step 6: Final answer
    x = 763,651.58

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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.