Home / 854,834.31-1,185,066.08-809,330.13

Finding the Fourth Proportional to 854,834.31, 1,185,066.08 and 809,330.13

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Solution

The fourth proportional to 854,834.31, 1,185,066.08 and 809,330.13 is: 1,121,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,834.31 : 1,185,066.08 = 809,330.13 : x
  2. Step 2: Convert to fraction form
    854,834.31/1,185,066.08 = 809,330.13/x
  3. Step 3: Cross multiply
    854,834.31x = 1,185,066.08 × 809,330.13
  4. Step 4: Simplify right side
    854,834.31x = 959,109,683,573.33
  5. Step 5: Solve for x
    x = 959,109,683,573.33/854,834.31
  6. Step 6: Final answer
    x = 1,121,983.14

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.