Home / 1,469,775.12-2,028,389.39-816,475.70

Finding the Fourth Proportional to 1,469,775.12, 2,028,389.39 and 816,475.70

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Solution

The fourth proportional to 1,469,775.12, 2,028,389.39 and 816,475.70 is: 1,126,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,775.12 : 2,028,389.39 = 816,475.70 : x
  2. Step 2: Convert to fraction form
    1,469,775.12/2,028,389.39 = 816,475.70/x
  3. Step 3: Cross multiply
    1,469,775.12x = 2,028,389.39 × 816,475.70
  4. Step 4: Simplify right side
    1,469,775.12x = 1,656,130,632,848.50
  5. Step 5: Solve for x
    x = 1,656,130,632,848.50/1,469,775.12
  6. Step 6: Final answer
    x = 1,126,791.85

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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.