Home / 1,469,776.12-2,028,390.77-816,476.70

Finding the Fourth Proportional to 1,469,776.12, 2,028,390.77 and 816,476.70

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Solution

The fourth proportional to 1,469,776.12, 2,028,390.77 and 816,476.70 is: 1,126,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,776.12 : 2,028,390.77 = 816,476.70 : x
  2. Step 2: Convert to fraction form
    1,469,776.12/2,028,390.77 = 816,476.70/x
  3. Step 3: Cross multiply
    1,469,776.12x = 2,028,390.77 × 816,476.70
  4. Step 4: Simplify right side
    1,469,776.12x = 1,656,133,802,200.06
  5. Step 5: Solve for x
    x = 1,656,133,802,200.06/1,469,776.12
  6. Step 6: Final answer
    x = 1,126,793.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.