Home / 1,110,665.39-1,666,060.38-311,884.64

Finding the Fourth Proportional to 1,110,665.39, 1,666,060.38 and 311,884.64

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Solution

The fourth proportional to 1,110,665.39, 1,666,060.38 and 311,884.64 is: 467,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,665.39 : 1,666,060.38 = 311,884.64 : x
  2. Step 2: Convert to fraction form
    1,110,665.39/1,666,060.38 = 311,884.64/x
  3. Step 3: Cross multiply
    1,110,665.39x = 1,666,060.38 × 311,884.64
  4. Step 4: Simplify right side
    1,110,665.39x = 519,618,639,751.99
  5. Step 5: Solve for x
    x = 519,618,639,751.99/1,110,665.39
  6. Step 6: Final answer
    x = 467,844.45

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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.