Home / 1,168,123.78-1,612,008.57-658,824.58

Finding the Fourth Proportional to 1,168,123.78, 1,612,008.57 and 658,824.58

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Solution

The fourth proportional to 1,168,123.78, 1,612,008.57 and 658,824.58 is: 909,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,123.78 : 1,612,008.57 = 658,824.58 : x
  2. Step 2: Convert to fraction form
    1,168,123.78/1,612,008.57 = 658,824.58/x
  3. Step 3: Cross multiply
    1,168,123.78x = 1,612,008.57 × 658,824.58
  4. Step 4: Simplify right side
    1,168,123.78x = 1,062,030,869,086.65
  5. Step 5: Solve for x
    x = 1,062,030,869,086.65/1,168,123.78
  6. Step 6: Final answer
    x = 909,176.65

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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.