Home / 1,127,061.82-1,555,504.80-697,480.30

Finding the Fourth Proportional to 1,127,061.82, 1,555,504.80 and 697,480.30

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Solution

The fourth proportional to 1,127,061.82, 1,555,504.80 and 697,480.30 is: 962,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,061.82 : 1,555,504.80 = 697,480.30 : x
  2. Step 2: Convert to fraction form
    1,127,061.82/1,555,504.80 = 697,480.30/x
  3. Step 3: Cross multiply
    1,127,061.82x = 1,555,504.80 × 697,480.30
  4. Step 4: Simplify right side
    1,127,061.82x = 1,084,933,954,555.44
  5. Step 5: Solve for x
    x = 1,084,933,954,555.44/1,127,061.82
  6. Step 6: Final answer
    x = 962,621.51

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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.