Home / 917,236.80-1,373,090.40-806,644.80

Finding the Fourth Proportional to 917,236.80, 1,373,090.40 and 806,644.80

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Solution

The fourth proportional to 917,236.80, 1,373,090.40 and 806,644.80 is: 1,207,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,236.80 : 1,373,090.40 = 806,644.80 : x
  2. Step 2: Convert to fraction form
    917,236.80/1,373,090.40 = 806,644.80/x
  3. Step 3: Cross multiply
    917,236.80x = 1,373,090.40 × 806,644.80
  4. Step 4: Simplify right side
    917,236.80x = 1,107,596,231,089.92
  5. Step 5: Solve for x
    x = 1,107,596,231,089.92/917,236.80
  6. Step 6: Final answer
    x = 1,207,535.75

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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.