Home / 1,282,721.70-1,922,879.70-484,539.60

Finding the Fourth Proportional to 1,282,721.70, 1,922,879.70 and 484,539.60

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Solution

The fourth proportional to 1,282,721.70, 1,922,879.70 and 484,539.60 is: 726,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,721.70 : 1,922,879.70 = 484,539.60 : x
  2. Step 2: Convert to fraction form
    1,282,721.70/1,922,879.70 = 484,539.60/x
  3. Step 3: Cross multiply
    1,282,721.70x = 1,922,879.70 × 484,539.60
  4. Step 4: Simplify right side
    1,282,721.70x = 931,711,360,686.12
  5. Step 5: Solve for x
    x = 931,711,360,686.12/1,282,721.70
  6. Step 6: Final answer
    x = 726,355.03

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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.