Home / 1,110,554.74-1,665,933.76-311,830.89

Finding the Fourth Proportional to 1,110,554.74, 1,665,933.76 and 311,830.89

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Solution

The fourth proportional to 1,110,554.74, 1,665,933.76 and 311,830.89 is: 467,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,554.74 : 1,665,933.76 = 311,830.89 : x
  2. Step 2: Convert to fraction form
    1,110,554.74/1,665,933.76 = 311,830.89/x
  3. Step 3: Cross multiply
    1,110,554.74x = 1,665,933.76 × 311,830.89
  4. Step 4: Simplify right side
    1,110,554.74x = 519,489,607,061.85
  5. Step 5: Solve for x
    x = 519,489,607,061.85/1,110,554.74
  6. Step 6: Final answer
    x = 467,774.88

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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.