Home / 912,261.20-1,368,391.80-888,933.20

Finding the Fourth Proportional to 912,261.20, 1,368,391.80 and 888,933.20

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Solution

The fourth proportional to 912,261.20, 1,368,391.80 and 888,933.20 is: 1,333,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,261.20 : 1,368,391.80 = 888,933.20 : x
  2. Step 2: Convert to fraction form
    912,261.20/1,368,391.80 = 888,933.20/x
  3. Step 3: Cross multiply
    912,261.20x = 1,368,391.80 × 888,933.20
  4. Step 4: Simplify right side
    912,261.20x = 1,216,408,901,627.76
  5. Step 5: Solve for x
    x = 1,216,408,901,627.76/912,261.20
  6. Step 6: Final answer
    x = 1,333,399.80

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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.