Home / 1,679,383.44-2,317,573.26-915,436.98

Finding the Fourth Proportional to 1,679,383.44, 2,317,573.26 and 915,436.98

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Solution

The fourth proportional to 1,679,383.44, 2,317,573.26 and 915,436.98 is: 1,263,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,383.44 : 2,317,573.26 = 915,436.98 : x
  2. Step 2: Convert to fraction form
    1,679,383.44/2,317,573.26 = 915,436.98/x
  3. Step 3: Cross multiply
    1,679,383.44x = 2,317,573.26 × 915,436.98
  4. Step 4: Simplify right side
    1,679,383.44x = 2,121,592,266,063.15
  5. Step 5: Solve for x
    x = 2,121,592,266,063.15/1,679,383.44
  6. Step 6: Final answer
    x = 1,263,316.18

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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.