Home / 915,579.80-1,370,604.90-804,987.80

Finding the Fourth Proportional to 915,579.80, 1,370,604.90 and 804,987.80

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Solution

The fourth proportional to 915,579.80, 1,370,604.90 and 804,987.80 is: 1,205,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,579.80 : 1,370,604.90 = 804,987.80 : x
  2. Step 2: Convert to fraction form
    915,579.80/1,370,604.90 = 804,987.80/x
  3. Step 3: Cross multiply
    915,579.80x = 1,370,604.90 × 804,987.80
  4. Step 4: Simplify right side
    915,579.80x = 1,103,320,223,120.22
  5. Step 5: Solve for x
    x = 1,103,320,223,120.22/915,579.80
  6. Step 6: Final answer
    x = 1,205,050.86

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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.