Home / 1,368,008.40-2,052,012.60-920,110.80

Finding the Fourth Proportional to 1,368,008.40, 2,052,012.60 and 920,110.80

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Solution

The fourth proportional to 1,368,008.40, 2,052,012.60 and 920,110.80 is: 1,380,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,008.40 : 2,052,012.60 = 920,110.80 : x
  2. Step 2: Convert to fraction form
    1,368,008.40/2,052,012.60 = 920,110.80/x
  3. Step 3: Cross multiply
    1,368,008.40x = 2,052,012.60 × 920,110.80
  4. Step 4: Simplify right side
    1,368,008.40x = 1,888,078,954,996.08
  5. Step 5: Solve for x
    x = 1,888,078,954,996.08/1,368,008.40
  6. Step 6: Final answer
    x = 1,380,166.20

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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.