Home / 1,314,974.25-1,814,664.47-711,362.25

Finding the Fourth Proportional to 1,314,974.25, 1,814,664.47 and 711,362.25

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Solution

The fourth proportional to 1,314,974.25, 1,814,664.47 and 711,362.25 is: 981,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,974.25 : 1,814,664.47 = 711,362.25 : x
  2. Step 2: Convert to fraction form
    1,314,974.25/1,814,664.47 = 711,362.25/x
  3. Step 3: Cross multiply
    1,314,974.25x = 1,814,664.47 × 711,362.25
  4. Step 4: Simplify right side
    1,314,974.25x = 1,290,883,796,817.45
  5. Step 5: Solve for x
    x = 1,290,883,796,817.45/1,314,974.25
  6. Step 6: Final answer
    x = 981,679.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.