Home / 827,160.30-1,240,740.45-792,168.30

Finding the Fourth Proportional to 827,160.30, 1,240,740.45 and 792,168.30

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Solution

The fourth proportional to 827,160.30, 1,240,740.45 and 792,168.30 is: 1,188,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,160.30 : 1,240,740.45 = 792,168.30 : x
  2. Step 2: Convert to fraction form
    827,160.30/1,240,740.45 = 792,168.30/x
  3. Step 3: Cross multiply
    827,160.30x = 1,240,740.45 × 792,168.30
  4. Step 4: Simplify right side
    827,160.30x = 982,875,253,017.74
  5. Step 5: Solve for x
    x = 982,875,253,017.74/827,160.30
  6. Step 6: Final answer
    x = 1,188,252.45

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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.