Home / 915,520.30-1,370,515.65-804,928.30

Finding the Fourth Proportional to 915,520.30, 1,370,515.65 and 804,928.30

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Solution

The fourth proportional to 915,520.30, 1,370,515.65 and 804,928.30 is: 1,204,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,520.30 : 1,370,515.65 = 804,928.30 : x
  2. Step 2: Convert to fraction form
    915,520.30/1,370,515.65 = 804,928.30/x
  3. Step 3: Cross multiply
    915,520.30x = 1,370,515.65 × 804,928.30
  4. Step 4: Simplify right side
    915,520.30x = 1,103,166,832,277.90
  5. Step 5: Solve for x
    x = 1,103,166,832,277.90/915,520.30
  6. Step 6: Final answer
    x = 1,204,961.63

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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.