Home / 1,282,570.70-1,922,653.20-484,388.60

Finding the Fourth Proportional to 1,282,570.70, 1,922,653.20 and 484,388.60

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Solution

The fourth proportional to 1,282,570.70, 1,922,653.20 and 484,388.60 is: 726,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,570.70 : 1,922,653.20 = 484,388.60 : x
  2. Step 2: Convert to fraction form
    1,282,570.70/1,922,653.20 = 484,388.60/x
  3. Step 3: Cross multiply
    1,282,570.70x = 1,922,653.20 × 484,388.60
  4. Step 4: Simplify right side
    1,282,570.70x = 931,311,291,833.52
  5. Step 5: Solve for x
    x = 931,311,291,833.52/1,282,570.70
  6. Step 6: Final answer
    x = 726,128.62

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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.