Home / 1,372,342.50-1,893,837.07-760,505.32

Finding the Fourth Proportional to 1,372,342.50, 1,893,837.07 and 760,505.32

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Solution

The fourth proportional to 1,372,342.50, 1,893,837.07 and 760,505.32 is: 1,049,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,342.50 : 1,893,837.07 = 760,505.32 : x
  2. Step 2: Convert to fraction form
    1,372,342.50/1,893,837.07 = 760,505.32/x
  3. Step 3: Cross multiply
    1,372,342.50x = 1,893,837.07 × 760,505.32
  4. Step 4: Simplify right side
    1,372,342.50x = 1,440,273,170,266.14
  5. Step 5: Solve for x
    x = 1,440,273,170,266.14/1,372,342.50
  6. Step 6: Final answer
    x = 1,049,499.79

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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.