Home / 1,110,554.51-1,665,933.43-311,830.67

Finding the Fourth Proportional to 1,110,554.51, 1,665,933.43 and 311,830.67

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Solution

The fourth proportional to 1,110,554.51, 1,665,933.43 and 311,830.67 is: 467,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,554.51 : 1,665,933.43 = 311,830.67 : x
  2. Step 2: Convert to fraction form
    1,110,554.51/1,665,933.43 = 311,830.67/x
  3. Step 3: Cross multiply
    1,110,554.51x = 1,665,933.43 × 311,830.67
  4. Step 4: Simplify right side
    1,110,554.51x = 519,489,137,134.35
  5. Step 5: Solve for x
    x = 519,489,137,134.35/1,110,554.51
  6. Step 6: Final answer
    x = 467,774.55

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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.