Home / 1,207,745.80-1,809,545.10-575,297.80

Finding the Fourth Proportional to 1,207,745.80, 1,809,545.10 and 575,297.80

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Solution

The fourth proportional to 1,207,745.80, 1,809,545.10 and 575,297.80 is: 861,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,745.80 : 1,809,545.10 = 575,297.80 : x
  2. Step 2: Convert to fraction form
    1,207,745.80/1,809,545.10 = 575,297.80/x
  3. Step 3: Cross multiply
    1,207,745.80x = 1,809,545.10 × 575,297.80
  4. Step 4: Simplify right side
    1,207,745.80x = 1,041,027,315,030.78
  5. Step 5: Solve for x
    x = 1,041,027,315,030.78/1,207,745.80
  6. Step 6: Final answer
    x = 861,958.96

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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.