Home / 1,078,660.05-1,616,448.02-792,102.30

Finding the Fourth Proportional to 1,078,660.05, 1,616,448.02 and 792,102.30

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Solution

The fourth proportional to 1,078,660.05, 1,616,448.02 and 792,102.30 is: 1,187,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,660.05 : 1,616,448.02 = 792,102.30 : x
  2. Step 2: Convert to fraction form
    1,078,660.05/1,616,448.02 = 792,102.30/x
  3. Step 3: Cross multiply
    1,078,660.05x = 1,616,448.02 × 792,102.30
  4. Step 4: Simplify right side
    1,078,660.05x = 1,280,392,190,511.93
  5. Step 5: Solve for x
    x = 1,280,392,190,511.93/1,078,660.05
  6. Step 6: Final answer
    x = 1,187,021.05

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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.