Home / 849,857.40-1,274,786.10-808,523.10

Finding the Fourth Proportional to 849,857.40, 1,274,786.10 and 808,523.10

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Solution

The fourth proportional to 849,857.40, 1,274,786.10 and 808,523.10 is: 1,212,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,857.40 : 1,274,786.10 = 808,523.10 : x
  2. Step 2: Convert to fraction form
    849,857.40/1,274,786.10 = 808,523.10/x
  3. Step 3: Cross multiply
    849,857.40x = 1,274,786.10 × 808,523.10
  4. Step 4: Simplify right side
    849,857.40x = 1,030,694,009,408.91
  5. Step 5: Solve for x
    x = 1,030,694,009,408.91/849,857.40
  6. Step 6: Final answer
    x = 1,212,784.65

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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.