Home / 1,116,918.50-1,675,100.95-318,206.96

Finding the Fourth Proportional to 1,116,918.50, 1,675,100.95 and 318,206.96

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Solution

The fourth proportional to 1,116,918.50, 1,675,100.95 and 318,206.96 is: 477,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,918.50 : 1,675,100.95 = 318,206.96 : x
  2. Step 2: Convert to fraction form
    1,116,918.50/1,675,100.95 = 318,206.96/x
  3. Step 3: Cross multiply
    1,116,918.50x = 1,675,100.95 × 318,206.96
  4. Step 4: Simplify right side
    1,116,918.50x = 533,028,780,992.61
  5. Step 5: Solve for x
    x = 533,028,780,992.61/1,116,918.50
  6. Step 6: Final answer
    x = 477,231.58

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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.