Home / 1,327,907.70-1,989,237.15-727,794.90

Finding the Fourth Proportional to 1,327,907.70, 1,989,237.15 and 727,794.90

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Solution

The fourth proportional to 1,327,907.70, 1,989,237.15 and 727,794.90 is: 1,090,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,907.70 : 1,989,237.15 = 727,794.90 : x
  2. Step 2: Convert to fraction form
    1,327,907.70/1,989,237.15 = 727,794.90/x
  3. Step 3: Cross multiply
    1,327,907.70x = 1,989,237.15 × 727,794.90
  4. Step 4: Simplify right side
    1,327,907.70x = 1,447,756,652,660.54
  5. Step 5: Solve for x
    x = 1,447,756,652,660.54/1,327,907.70
  6. Step 6: Final answer
    x = 1,090,253.98

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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.