Home / 1,200,938.72-1,805,729.11-1,107,314.27

Finding the Fourth Proportional to 1,200,938.72, 1,805,729.11 and 1,107,314.27

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Solution

The fourth proportional to 1,200,938.72, 1,805,729.11 and 1,107,314.27 is: 1,664,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,938.72 : 1,805,729.11 = 1,107,314.27 : x
  2. Step 2: Convert to fraction form
    1,200,938.72/1,805,729.11 = 1,107,314.27/x
  3. Step 3: Cross multiply
    1,200,938.72x = 1,805,729.11 × 1,107,314.27
  4. Step 4: Simplify right side
    1,200,938.72x = 1,999,509,619,503.50
  5. Step 5: Solve for x
    x = 1,999,509,619,503.50/1,200,938.72
  6. Step 6: Final answer
    x = 1,664,955.58

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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.