Home / 1,207,209.40-1,809,662.10-448,847.80

Finding the Fourth Proportional to 1,207,209.40, 1,809,662.10 and 448,847.80

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Solution

The fourth proportional to 1,207,209.40, 1,809,662.10 and 448,847.80 is: 672,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,209.40 : 1,809,662.10 = 448,847.80 : x
  2. Step 2: Convert to fraction form
    1,207,209.40/1,809,662.10 = 448,847.80/x
  3. Step 3: Cross multiply
    1,207,209.40x = 1,809,662.10 × 448,847.80
  4. Step 4: Simplify right side
    1,207,209.40x = 812,262,852,328.38
  5. Step 5: Solve for x
    x = 812,262,852,328.38/1,207,209.40
  6. Step 6: Final answer
    x = 672,843.38

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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.