Home / 1,494,190.32-2,061,987.48-815,141.04

Finding the Fourth Proportional to 1,494,190.32, 2,061,987.48 and 815,141.04

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Solution

The fourth proportional to 1,494,190.32, 2,061,987.48 and 815,141.04 is: 1,124,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,190.32 : 2,061,987.48 = 815,141.04 : x
  2. Step 2: Convert to fraction form
    1,494,190.32/2,061,987.48 = 815,141.04/x
  3. Step 3: Cross multiply
    1,494,190.32x = 2,061,987.48 × 815,141.04
  4. Step 4: Simplify right side
    1,494,190.32x = 1,680,810,618,914.18
  5. Step 5: Solve for x
    x = 1,680,810,618,914.18/1,494,190.32
  6. Step 6: Final answer
    x = 1,124,897.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.