Home / 1,256,885.85-1,882,950.06-743,012.50

Finding the Fourth Proportional to 1,256,885.85, 1,882,950.06 and 743,012.50

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Solution

The fourth proportional to 1,256,885.85, 1,882,950.06 and 743,012.50 is: 1,113,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,885.85 : 1,882,950.06 = 743,012.50 : x
  2. Step 2: Convert to fraction form
    1,256,885.85/1,882,950.06 = 743,012.50/x
  3. Step 3: Cross multiply
    1,256,885.85x = 1,882,950.06 × 743,012.50
  4. Step 4: Simplify right side
    1,256,885.85x = 1,399,055,422,041.00
  5. Step 5: Solve for x
    x = 1,399,055,422,041.00/1,256,885.85
  6. Step 6: Final answer
    x = 1,113,112.56

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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.