Home / 1,217,306.21-1,680,008.85-701,078.49

Finding the Fourth Proportional to 1,217,306.21, 1,680,008.85 and 701,078.49

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Solution

The fourth proportional to 1,217,306.21, 1,680,008.85 and 701,078.49 is: 967,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,306.21 : 1,680,008.85 = 701,078.49 : x
  2. Step 2: Convert to fraction form
    1,217,306.21/1,680,008.85 = 701,078.49/x
  3. Step 3: Cross multiply
    1,217,306.21x = 1,680,008.85 × 701,078.49
  4. Step 4: Simplify right side
    1,217,306.21x = 1,177,818,067,744.64
  5. Step 5: Solve for x
    x = 1,177,818,067,744.64/1,217,306.21
  6. Step 6: Final answer
    x = 967,561.05

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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.