Home / 1,186,170.67-1,636,850.78-702,780.49

Finding the Fourth Proportional to 1,186,170.67, 1,636,850.78 and 702,780.49

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Solution

The fourth proportional to 1,186,170.67, 1,636,850.78 and 702,780.49 is: 969,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,170.67 : 1,636,850.78 = 702,780.49 : x
  2. Step 2: Convert to fraction form
    1,186,170.67/1,636,850.78 = 702,780.49/x
  3. Step 3: Cross multiply
    1,186,170.67x = 1,636,850.78 × 702,780.49
  4. Step 4: Simplify right side
    1,186,170.67x = 1,150,346,793,225.28
  5. Step 5: Solve for x
    x = 1,150,346,793,225.28/1,186,170.67
  6. Step 6: Final answer
    x = 969,798.72

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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.