Home / 915,362.80-1,370,279.40-804,770.80

Finding the Fourth Proportional to 915,362.80, 1,370,279.40 and 804,770.80

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Solution

The fourth proportional to 915,362.80, 1,370,279.40 and 804,770.80 is: 1,204,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,362.80 : 1,370,279.40 = 804,770.80 : x
  2. Step 2: Convert to fraction form
    915,362.80/1,370,279.40 = 804,770.80/x
  3. Step 3: Cross multiply
    915,362.80x = 1,370,279.40 × 804,770.80
  4. Step 4: Simplify right side
    915,362.80x = 1,102,760,848,961.52
  5. Step 5: Solve for x
    x = 1,102,760,848,961.52/915,362.80
  6. Step 6: Final answer
    x = 1,204,725.44

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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.