Home / 1,590,837.75-2,195,405.49-902,538.60

Finding the Fourth Proportional to 1,590,837.75, 2,195,405.49 and 902,538.60

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Solution

The fourth proportional to 1,590,837.75, 2,195,405.49 and 902,538.60 is: 1,245,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,837.75 : 2,195,405.49 = 902,538.60 : x
  2. Step 2: Convert to fraction form
    1,590,837.75/2,195,405.49 = 902,538.60/x
  3. Step 3: Cross multiply
    1,590,837.75x = 2,195,405.49 × 902,538.60
  4. Step 4: Simplify right side
    1,590,837.75x = 1,981,438,197,376.91
  5. Step 5: Solve for x
    x = 1,981,438,197,376.91/1,590,837.75
  6. Step 6: Final answer
    x = 1,245,531.29

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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.