Home / 1,217,908.74-1,680,701.67-674,045.58

Finding the Fourth Proportional to 1,217,908.74, 1,680,701.67 and 674,045.58

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Solution

The fourth proportional to 1,217,908.74, 1,680,701.67 and 674,045.58 is: 930,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,908.74 : 1,680,701.67 = 674,045.58 : x
  2. Step 2: Convert to fraction form
    1,217,908.74/1,680,701.67 = 674,045.58/x
  3. Step 3: Cross multiply
    1,217,908.74x = 1,680,701.67 × 674,045.58
  4. Step 4: Simplify right side
    1,217,908.74x = 1,132,869,531,962.12
  5. Step 5: Solve for x
    x = 1,132,869,531,962.12/1,217,908.74
  6. Step 6: Final answer
    x = 930,176.04

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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.