Home / 1,461,471.12-2,016,866.52-816,998.94

Finding the Fourth Proportional to 1,461,471.12, 2,016,866.52 and 816,998.94

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Solution

The fourth proportional to 1,461,471.12, 2,016,866.52 and 816,998.94 is: 1,127,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,471.12 : 2,016,866.52 = 816,998.94 : x
  2. Step 2: Convert to fraction form
    1,461,471.12/2,016,866.52 = 816,998.94/x
  3. Step 3: Cross multiply
    1,461,471.12x = 2,016,866.52 × 816,998.94
  4. Step 4: Simplify right side
    1,461,471.12x = 1,647,777,808,961.49
  5. Step 5: Solve for x
    x = 1,647,777,808,961.49/1,461,471.12
  6. Step 6: Final answer
    x = 1,127,478.87

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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.