Home / 1,368,645.80-2,054,135.10-611,652.20

Finding the Fourth Proportional to 1,368,645.80, 2,054,135.10 and 611,652.20

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Solution

The fourth proportional to 1,368,645.80, 2,054,135.10 and 611,652.20 is: 917,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,645.80 : 2,054,135.10 = 611,652.20 : x
  2. Step 2: Convert to fraction form
    1,368,645.80/2,054,135.10 = 611,652.20/x
  3. Step 3: Cross multiply
    1,368,645.80x = 2,054,135.10 × 611,652.20
  4. Step 4: Simplify right side
    1,368,645.80x = 1,256,416,253,012.22
  5. Step 5: Solve for x
    x = 1,256,416,253,012.22/1,368,645.80
  6. Step 6: Final answer
    x = 917,999.57

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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.