Home / 1,792,022.40-2,688,033.60-669,945.60

Finding the Fourth Proportional to 1,792,022.40, 2,688,033.60 and 669,945.60

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Solution

The fourth proportional to 1,792,022.40, 2,688,033.60 and 669,945.60 is: 1,004,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,022.40 : 2,688,033.60 = 669,945.60 : x
  2. Step 2: Convert to fraction form
    1,792,022.40/2,688,033.60 = 669,945.60/x
  3. Step 3: Cross multiply
    1,792,022.40x = 2,688,033.60 × 669,945.60
  4. Step 4: Simplify right side
    1,792,022.40x = 1,800,836,282,972.16
  5. Step 5: Solve for x
    x = 1,800,836,282,972.16/1,792,022.40
  6. Step 6: Final answer
    x = 1,004,918.40

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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.