Home / 1,191,796.80-1,787,738.40-350,433.60

Finding the Fourth Proportional to 1,191,796.80, 1,787,738.40 and 350,433.60

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Solution

The fourth proportional to 1,191,796.80, 1,787,738.40 and 350,433.60 is: 525,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,796.80 : 1,787,738.40 = 350,433.60 : x
  2. Step 2: Convert to fraction form
    1,191,796.80/1,787,738.40 = 350,433.60/x
  3. Step 3: Cross multiply
    1,191,796.80x = 1,787,738.40 × 350,433.60
  4. Step 4: Simplify right side
    1,191,796.80x = 626,483,603,370.24
  5. Step 5: Solve for x
    x = 626,483,603,370.24/1,191,796.80
  6. Step 6: Final answer
    x = 525,663.10

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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.