Home / 1,760,906.40-2,641,359.60-816,122.40

Finding the Fourth Proportional to 1,760,906.40, 2,641,359.60 and 816,122.40

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Solution

The fourth proportional to 1,760,906.40, 2,641,359.60 and 816,122.40 is: 1,224,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,906.40 : 2,641,359.60 = 816,122.40 : x
  2. Step 2: Convert to fraction form
    1,760,906.40/2,641,359.60 = 816,122.40/x
  3. Step 3: Cross multiply
    1,760,906.40x = 2,641,359.60 × 816,122.40
  4. Step 4: Simplify right side
    1,760,906.40x = 2,155,672,736,015.04
  5. Step 5: Solve for x
    x = 2,155,672,736,015.04/1,760,906.40
  6. Step 6: Final answer
    x = 1,224,183.60

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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.