Home / 1,791,796.80-2,472,679.68-986,980.80

Finding the Fourth Proportional to 1,791,796.80, 2,472,679.68 and 986,980.80

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Solution

The fourth proportional to 1,791,796.80, 2,472,679.68 and 986,980.80 is: 1,362,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,796.80 : 2,472,679.68 = 986,980.80 : x
  2. Step 2: Convert to fraction form
    1,791,796.80/2,472,679.68 = 986,980.80/x
  3. Step 3: Cross multiply
    1,791,796.80x = 2,472,679.68 × 986,980.80
  4. Step 4: Simplify right side
    1,791,796.80x = 2,440,487,368,710.14
  5. Step 5: Solve for x
    x = 2,440,487,368,710.14/1,791,796.80
  6. Step 6: Final answer
    x = 1,362,033.56

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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.