Home / 1,217,907.74-1,680,700.29-674,044.58

Finding the Fourth Proportional to 1,217,907.74, 1,680,700.29 and 674,044.58

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Solution

The fourth proportional to 1,217,907.74, 1,680,700.29 and 674,044.58 is: 930,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,907.74 : 1,680,700.29 = 674,044.58 : x
  2. Step 2: Convert to fraction form
    1,217,907.74/1,680,700.29 = 674,044.58/x
  3. Step 3: Cross multiply
    1,217,907.74x = 1,680,700.29 × 674,044.58
  4. Step 4: Simplify right side
    1,217,907.74x = 1,132,866,912,675.43
  5. Step 5: Solve for x
    x = 1,132,866,912,675.43/1,217,907.74
  6. Step 6: Final answer
    x = 930,174.66

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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.