Home / 955,743.49-1,432,811.72-639,234.37

Finding the Fourth Proportional to 955,743.49, 1,432,811.72 and 639,234.37

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Solution

The fourth proportional to 955,743.49, 1,432,811.72 and 639,234.37 is: 958,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,743.49 : 1,432,811.72 = 639,234.37 : x
  2. Step 2: Convert to fraction form
    955,743.49/1,432,811.72 = 639,234.37/x
  3. Step 3: Cross multiply
    955,743.49x = 1,432,811.72 × 639,234.37
  4. Step 4: Simplify right side
    955,743.49x = 915,902,493,966.65
  5. Step 5: Solve for x
    x = 915,902,493,966.65/955,743.49
  6. Step 6: Final answer
    x = 958,314.13

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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.