Home / 1,110,719.97-1,666,144.58-312,063.80

Finding the Fourth Proportional to 1,110,719.97, 1,666,144.58 and 312,063.80

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Solution

The fourth proportional to 1,110,719.97, 1,666,144.58 and 312,063.80 is: 468,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,719.97 : 1,666,144.58 = 312,063.80 : x
  2. Step 2: Convert to fraction form
    1,110,719.97/1,666,144.58 = 312,063.80/x
  3. Step 3: Cross multiply
    1,110,719.97x = 1,666,144.58 × 312,063.80
  4. Step 4: Simplify right side
    1,110,719.97x = 519,943,399,093.16
  5. Step 5: Solve for x
    x = 519,943,399,093.16/1,110,719.97
  6. Step 6: Final answer
    x = 468,113.85

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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.