Home / 1,172,708.48-1,618,340.82-636,164.48

Finding the Fourth Proportional to 1,172,708.48, 1,618,340.82 and 636,164.48

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Solution

The fourth proportional to 1,172,708.48, 1,618,340.82 and 636,164.48 is: 877,908.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,708.48 : 1,618,340.82 = 636,164.48 : x
  2. Step 2: Convert to fraction form
    1,172,708.48/1,618,340.82 = 636,164.48/x
  3. Step 3: Cross multiply
    1,172,708.48x = 1,618,340.82 × 636,164.48
  4. Step 4: Simplify right side
    1,172,708.48x = 1,029,530,946,218.07
  5. Step 5: Solve for x
    x = 1,029,530,946,218.07/1,172,708.48
  6. Step 6: Final answer
    x = 877,908.67

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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.