Home / 1,110,694.50-1,666,103.60-311,913.48

Finding the Fourth Proportional to 1,110,694.50, 1,666,103.60 and 311,913.48

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Solution

The fourth proportional to 1,110,694.50, 1,666,103.60 and 311,913.48 is: 467,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,694.50 : 1,666,103.60 = 311,913.48 : x
  2. Step 2: Convert to fraction form
    1,110,694.50/1,666,103.60 = 311,913.48/x
  3. Step 3: Cross multiply
    1,110,694.50x = 1,666,103.60 × 311,913.48
  4. Step 4: Simplify right side
    1,110,694.50x = 519,680,171,916.53
  5. Step 5: Solve for x
    x = 519,680,171,916.53/1,110,694.50
  6. Step 6: Final answer
    x = 467,887.59

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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.