Home / 1,110,693.50-1,666,102.10-311,912.48

Finding the Fourth Proportional to 1,110,693.50, 1,666,102.10 and 311,912.48

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Solution

The fourth proportional to 1,110,693.50, 1,666,102.10 and 311,912.48 is: 467,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,693.50 : 1,666,102.10 = 311,912.48 : x
  2. Step 2: Convert to fraction form
    1,110,693.50/1,666,102.10 = 311,912.48/x
  3. Step 3: Cross multiply
    1,110,693.50x = 1,666,102.10 × 311,912.48
  4. Step 4: Simplify right side
    1,110,693.50x = 519,678,037,944.21
  5. Step 5: Solve for x
    x = 519,678,037,944.21/1,110,693.50
  6. Step 6: Final answer
    x = 467,886.09

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1.5x scale

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.