Home / 1,207,117.09-1,810,676.30-448,860.03

Finding the Fourth Proportional to 1,207,117.09, 1,810,676.30 and 448,860.03

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Solution

The fourth proportional to 1,207,117.09, 1,810,676.30 and 448,860.03 is: 673,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,117.09 : 1,810,676.30 = 448,860.03 : x
  2. Step 2: Convert to fraction form
    1,207,117.09/1,810,676.30 = 448,860.03/x
  3. Step 3: Cross multiply
    1,207,117.09x = 1,810,676.30 × 448,860.03
  4. Step 4: Simplify right side
    1,207,117.09x = 812,740,218,338.29
  5. Step 5: Solve for x
    x = 812,740,218,338.29/1,207,117.09
  6. Step 6: Final answer
    x = 673,290.29

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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.