Home / 1,269,813.91-1,752,421.94-839,347.51

Finding the Fourth Proportional to 1,269,813.91, 1,752,421.94 and 839,347.51

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Solution

The fourth proportional to 1,269,813.91, 1,752,421.94 and 839,347.51 is: 1,158,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,813.91 : 1,752,421.94 = 839,347.51 : x
  2. Step 2: Convert to fraction form
    1,269,813.91/1,752,421.94 = 839,347.51/x
  3. Step 3: Cross multiply
    1,269,813.91x = 1,752,421.94 × 839,347.51
  4. Step 4: Simplify right side
    1,269,813.91x = 1,470,890,991,808.37
  5. Step 5: Solve for x
    x = 1,470,890,991,808.37/1,269,813.91
  6. Step 6: Final answer
    x = 1,158,351.61

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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.