Home / 915,513.30-1,370,505.15-804,921.30

Finding the Fourth Proportional to 915,513.30, 1,370,505.15 and 804,921.30

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Solution

The fourth proportional to 915,513.30, 1,370,505.15 and 804,921.30 is: 1,204,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,513.30 : 1,370,505.15 = 804,921.30 : x
  2. Step 2: Convert to fraction form
    915,513.30/1,370,505.15 = 804,921.30/x
  3. Step 3: Cross multiply
    915,513.30x = 1,370,505.15 × 804,921.30
  4. Step 4: Simplify right side
    915,513.30x = 1,103,148,786,994.70
  5. Step 5: Solve for x
    x = 1,103,148,786,994.70/915,513.30
  6. Step 6: Final answer
    x = 1,204,951.13

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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.