Home / 1,282,767.72-1,770,194.40-709,808.28

Finding the Fourth Proportional to 1,282,767.72, 1,770,194.40 and 709,808.28

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Solution

The fourth proportional to 1,282,767.72, 1,770,194.40 and 709,808.28 is: 979,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,767.72 : 1,770,194.40 = 709,808.28 : x
  2. Step 2: Convert to fraction form
    1,282,767.72/1,770,194.40 = 709,808.28/x
  3. Step 3: Cross multiply
    1,282,767.72x = 1,770,194.40 × 709,808.28
  4. Step 4: Simplify right side
    1,282,767.72x = 1,256,498,642,329.63
  5. Step 5: Solve for x
    x = 1,256,498,642,329.63/1,282,767.72
  6. Step 6: Final answer
    x = 979,521.56

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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.