Home / 817,086.80-1,225,630.20-740,979.20

Finding the Fourth Proportional to 817,086.80, 1,225,630.20 and 740,979.20

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Solution

The fourth proportional to 817,086.80, 1,225,630.20 and 740,979.20 is: 1,111,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,086.80 : 1,225,630.20 = 740,979.20 : x
  2. Step 2: Convert to fraction form
    817,086.80/1,225,630.20 = 740,979.20/x
  3. Step 3: Cross multiply
    817,086.80x = 1,225,630.20 × 740,979.20
  4. Step 4: Simplify right side
    817,086.80x = 908,166,485,091.84
  5. Step 5: Solve for x
    x = 908,166,485,091.84/817,086.80
  6. Step 6: Final answer
    x = 1,111,468.80

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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.