Home / 1,116,918.39-1,675,100.79-318,206.85

Finding the Fourth Proportional to 1,116,918.39, 1,675,100.79 and 318,206.85

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Solution

The fourth proportional to 1,116,918.39, 1,675,100.79 and 318,206.85 is: 477,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,918.39 : 1,675,100.79 = 318,206.85 : x
  2. Step 2: Convert to fraction form
    1,116,918.39/1,675,100.79 = 318,206.85/x
  3. Step 3: Cross multiply
    1,116,918.39x = 1,675,100.79 × 318,206.85
  4. Step 4: Simplify right side
    1,116,918.39x = 533,028,548,362.59
  5. Step 5: Solve for x
    x = 533,028,548,362.59/1,116,918.39
  6. Step 6: Final answer
    x = 477,231.42

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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.