Home / 1,213,986.76-1,675,394.49-670,227.28

Finding the Fourth Proportional to 1,213,986.76, 1,675,394.49 and 670,227.28

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Solution

The fourth proportional to 1,213,986.76, 1,675,394.49 and 670,227.28 is: 924,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,986.76 : 1,675,394.49 = 670,227.28 : x
  2. Step 2: Convert to fraction form
    1,213,986.76/1,675,394.49 = 670,227.28/x
  3. Step 3: Cross multiply
    1,213,986.76x = 1,675,394.49 × 670,227.28
  4. Step 4: Simplify right side
    1,213,986.76x = 1,122,895,091,959.69
  5. Step 5: Solve for x
    x = 1,122,895,091,959.69/1,213,986.76
  6. Step 6: Final answer
    x = 924,964.86

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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.