Home / 1,206,709.70-1,811,085.15-497,246.90

Finding the Fourth Proportional to 1,206,709.70, 1,811,085.15 and 497,246.90

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Solution

The fourth proportional to 1,206,709.70, 1,811,085.15 and 497,246.90 is: 746,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,709.70 : 1,811,085.15 = 497,246.90 : x
  2. Step 2: Convert to fraction form
    1,206,709.70/1,811,085.15 = 497,246.90/x
  3. Step 3: Cross multiply
    1,206,709.70x = 1,811,085.15 × 497,246.90
  4. Step 4: Simplify right side
    1,206,709.70x = 900,556,476,473.54
  5. Step 5: Solve for x
    x = 900,556,476,473.54/1,206,709.70
  6. Step 6: Final answer
    x = 746,290.91

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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.