Home / 1,792,311.40-2,688,942.30-780,999.40

Finding the Fourth Proportional to 1,792,311.40, 2,688,942.30 and 780,999.40

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Solution

The fourth proportional to 1,792,311.40, 2,688,942.30 and 780,999.40 is: 1,171,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,311.40 : 2,688,942.30 = 780,999.40 : x
  2. Step 2: Convert to fraction form
    1,792,311.40/2,688,942.30 = 780,999.40/x
  3. Step 3: Cross multiply
    1,792,311.40x = 2,688,942.30 × 780,999.40
  4. Step 4: Simplify right side
    1,792,311.40x = 2,100,062,322,934.62
  5. Step 5: Solve for x
    x = 2,100,062,322,934.62/1,792,311.40
  6. Step 6: Final answer
    x = 1,171,706.17

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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.