Home / 1,299,406.80-1,949,110.20-942,747.60

Finding the Fourth Proportional to 1,299,406.80, 1,949,110.20 and 942,747.60

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Solution

The fourth proportional to 1,299,406.80, 1,949,110.20 and 942,747.60 is: 1,414,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,406.80 : 1,949,110.20 = 942,747.60 : x
  2. Step 2: Convert to fraction form
    1,299,406.80/1,949,110.20 = 942,747.60/x
  3. Step 3: Cross multiply
    1,299,406.80x = 1,949,110.20 × 942,747.60
  4. Step 4: Simplify right side
    1,299,406.80x = 1,837,518,963,185.52
  5. Step 5: Solve for x
    x = 1,837,518,963,185.52/1,299,406.80
  6. Step 6: Final answer
    x = 1,414,121.40

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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.