Home / 1,217,908.62-1,680,701.51-674,045.46

Finding the Fourth Proportional to 1,217,908.62, 1,680,701.51 and 674,045.46

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Solution

The fourth proportional to 1,217,908.62, 1,680,701.51 and 674,045.46 is: 930,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,908.62 : 1,680,701.51 = 674,045.46 : x
  2. Step 2: Convert to fraction form
    1,217,908.62/1,680,701.51 = 674,045.46/x
  3. Step 3: Cross multiply
    1,217,908.62x = 1,680,701.51 × 674,045.46
  4. Step 4: Simplify right side
    1,217,908.62x = 1,132,869,222,430.64
  5. Step 5: Solve for x
    x = 1,132,869,222,430.64/1,217,908.62
  6. Step 6: Final answer
    x = 930,175.88

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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.