Home / 1,110,668.76-1,666,065.44-311,888.03

Finding the Fourth Proportional to 1,110,668.76, 1,666,065.44 and 311,888.03

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Solution

The fourth proportional to 1,110,668.76, 1,666,065.44 and 311,888.03 is: 467,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,668.76 : 1,666,065.44 = 311,888.03 : x
  2. Step 2: Convert to fraction form
    1,110,668.76/1,666,065.44 = 311,888.03/x
  3. Step 3: Cross multiply
    1,110,668.76x = 1,666,065.44 × 311,888.03
  4. Step 4: Simplify right side
    1,110,668.76x = 519,625,860,382.08
  5. Step 5: Solve for x
    x = 519,625,860,382.08/1,110,668.76
  6. Step 6: Final answer
    x = 467,849.53

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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.