Home / 917,091.80-1,375,637.70-806,499.80

Finding the Fourth Proportional to 917,091.80, 1,375,637.70 and 806,499.80

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Solution

The fourth proportional to 917,091.80, 1,375,637.70 and 806,499.80 is: 1,209,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,091.80 : 1,375,637.70 = 806,499.80 : x
  2. Step 2: Convert to fraction form
    917,091.80/1,375,637.70 = 806,499.80/x
  3. Step 3: Cross multiply
    917,091.80x = 1,375,637.70 × 806,499.80
  4. Step 4: Simplify right side
    917,091.80x = 1,109,451,529,922.46
  5. Step 5: Solve for x
    x = 1,109,451,529,922.46/917,091.80
  6. Step 6: Final answer
    x = 1,209,749.70

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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.