Home / 816,007.80-1,221,246.90-816,007.80

Finding the Fourth Proportional to 816,007.80, 1,221,246.90 and 816,007.80

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Solution

The fourth proportional to 816,007.80, 1,221,246.90 and 816,007.80 is: 1,221,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,007.80 : 1,221,246.90 = 816,007.80 : x
  2. Step 2: Convert to fraction form
    816,007.80/1,221,246.90 = 816,007.80/x
  3. Step 3: Cross multiply
    816,007.80x = 1,221,246.90 × 816,007.80
  4. Step 4: Simplify right side
    816,007.80x = 996,546,996,125.82
  5. Step 5: Solve for x
    x = 996,546,996,125.82/816,007.80
  6. Step 6: Final answer
    x = 1,221,246.90

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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.