Home / 1,376,054.40-2,064,081.60-1,040,131.20

Finding the Fourth Proportional to 1,376,054.40, 2,064,081.60 and 1,040,131.20

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Solution

The fourth proportional to 1,376,054.40, 2,064,081.60 and 1,040,131.20 is: 1,560,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,054.40 : 2,064,081.60 = 1,040,131.20 : x
  2. Step 2: Convert to fraction form
    1,376,054.40/2,064,081.60 = 1,040,131.20/x
  3. Step 3: Cross multiply
    1,376,054.40x = 2,064,081.60 × 1,040,131.20
  4. Step 4: Simplify right side
    1,376,054.40x = 2,146,915,671,505.92
  5. Step 5: Solve for x
    x = 2,146,915,671,505.92/1,376,054.40
  6. Step 6: Final answer
    x = 1,560,196.80

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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.