Home / 915,513.80-1,370,505.90-804,921.80

Finding the Fourth Proportional to 915,513.80, 1,370,505.90 and 804,921.80

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Solution

The fourth proportional to 915,513.80, 1,370,505.90 and 804,921.80 is: 1,204,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,513.80 : 1,370,505.90 = 804,921.80 : x
  2. Step 2: Convert to fraction form
    915,513.80/1,370,505.90 = 804,921.80/x
  3. Step 3: Cross multiply
    915,513.80x = 1,370,505.90 × 804,921.80
  4. Step 4: Simplify right side
    915,513.80x = 1,103,150,075,938.62
  5. Step 5: Solve for x
    x = 1,103,150,075,938.62/915,513.80
  6. Step 6: Final answer
    x = 1,204,951.88

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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.