Home / 915,512.80-1,370,504.40-804,920.80

Finding the Fourth Proportional to 915,512.80, 1,370,504.40 and 804,920.80

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Solution

The fourth proportional to 915,512.80, 1,370,504.40 and 804,920.80 is: 1,204,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,512.80 : 1,370,504.40 = 804,920.80 : x
  2. Step 2: Convert to fraction form
    915,512.80/1,370,504.40 = 804,920.80/x
  3. Step 3: Cross multiply
    915,512.80x = 1,370,504.40 × 804,920.80
  4. Step 4: Simplify right side
    915,512.80x = 1,103,147,498,051.52
  5. Step 5: Solve for x
    x = 1,103,147,498,051.52/915,512.80
  6. Step 6: Final answer
    x = 1,204,950.38

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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.