Home / 1,110,666.38-1,666,061.88-311,885.64

Finding the Fourth Proportional to 1,110,666.38, 1,666,061.88 and 311,885.64

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Solution

The fourth proportional to 1,110,666.38, 1,666,061.88 and 311,885.64 is: 467,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,666.38 : 1,666,061.88 = 311,885.64 : x
  2. Step 2: Convert to fraction form
    1,110,666.38/1,666,061.88 = 311,885.64/x
  3. Step 3: Cross multiply
    1,110,666.38x = 1,666,061.88 × 311,885.64
  4. Step 4: Simplify right side
    1,110,666.38x = 519,620,775,723.40
  5. Step 5: Solve for x
    x = 519,620,775,723.40/1,110,666.38
  6. Step 6: Final answer
    x = 467,845.96

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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.