Home / 1,210,451.85-1,815,677.78-804,544.65

Finding the Fourth Proportional to 1,210,451.85, 1,815,677.78 and 804,544.65

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Solution

The fourth proportional to 1,210,451.85, 1,815,677.78 and 804,544.65 is: 1,206,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,451.85 : 1,815,677.78 = 804,544.65 : x
  2. Step 2: Convert to fraction form
    1,210,451.85/1,815,677.78 = 804,544.65/x
  3. Step 3: Cross multiply
    1,210,451.85x = 1,815,677.78 × 804,544.65
  4. Step 4: Simplify right side
    1,210,451.85x = 1,460,793,844,022.88
  5. Step 5: Solve for x
    x = 1,460,793,844,022.88/1,210,451.85
  6. Step 6: Final answer
    x = 1,206,816.98

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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.