Home / 1,462,135.80-2,193,203.70-620,578.20

Finding the Fourth Proportional to 1,462,135.80, 2,193,203.70 and 620,578.20

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Solution

The fourth proportional to 1,462,135.80, 2,193,203.70 and 620,578.20 is: 930,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,135.80 : 2,193,203.70 = 620,578.20 : x
  2. Step 2: Convert to fraction form
    1,462,135.80/2,193,203.70 = 620,578.20/x
  3. Step 3: Cross multiply
    1,462,135.80x = 2,193,203.70 × 620,578.20
  4. Step 4: Simplify right side
    1,462,135.80x = 1,361,054,404,379.34
  5. Step 5: Solve for x
    x = 1,361,054,404,379.34/1,462,135.80
  6. Step 6: Final answer
    x = 930,867.30

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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.