Home / 1,068,153.89-1,601,123.66-667,875.48

Finding the Fourth Proportional to 1,068,153.89, 1,601,123.66 and 667,875.48

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Solution

The fourth proportional to 1,068,153.89, 1,601,123.66 and 667,875.48 is: 1,001,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,153.89 : 1,601,123.66 = 667,875.48 : x
  2. Step 2: Convert to fraction form
    1,068,153.89/1,601,123.66 = 667,875.48/x
  3. Step 3: Cross multiply
    1,068,153.89x = 1,601,123.66 × 667,875.48
  4. Step 4: Simplify right side
    1,068,153.89x = 1,069,351,226,122.80
  5. Step 5: Solve for x
    x = 1,069,351,226,122.80/1,068,153.89
  6. Step 6: Final answer
    x = 1,001,120.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.