Home / 1,110,460.47-1,665,431.91-311,819.10

Finding the Fourth Proportional to 1,110,460.47, 1,665,431.91 and 311,819.10

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Solution

The fourth proportional to 1,110,460.47, 1,665,431.91 and 311,819.10 is: 467,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,460.47 : 1,665,431.91 = 311,819.10 : x
  2. Step 2: Convert to fraction form
    1,110,460.47/1,665,431.91 = 311,819.10/x
  3. Step 3: Cross multiply
    1,110,460.47x = 1,665,431.91 × 311,819.10
  4. Step 4: Simplify right side
    1,110,460.47x = 519,313,479,287.48
  5. Step 5: Solve for x
    x = 519,313,479,287.48/1,110,460.47
  6. Step 6: Final answer
    x = 467,655.98

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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.