Home / 1,304,810.80-1,957,216.20-989,882.80

Finding the Fourth Proportional to 1,304,810.80, 1,957,216.20 and 989,882.80

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Solution

The fourth proportional to 1,304,810.80, 1,957,216.20 and 989,882.80 is: 1,484,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,810.80 : 1,957,216.20 = 989,882.80 : x
  2. Step 2: Convert to fraction form
    1,304,810.80/1,957,216.20 = 989,882.80/x
  3. Step 3: Cross multiply
    1,304,810.80x = 1,957,216.20 × 989,882.80
  4. Step 4: Simplify right side
    1,304,810.80x = 1,937,414,652,261.36
  5. Step 5: Solve for x
    x = 1,937,414,652,261.36/1,304,810.80
  6. Step 6: Final answer
    x = 1,484,824.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.