Home / 1,304,278.56-1,800,008.72-723,558.96

Finding the Fourth Proportional to 1,304,278.56, 1,800,008.72 and 723,558.96

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Solution

The fourth proportional to 1,304,278.56, 1,800,008.72 and 723,558.96 is: 998,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,278.56 : 1,800,008.72 = 723,558.96 : x
  2. Step 2: Convert to fraction form
    1,304,278.56/1,800,008.72 = 723,558.96/x
  3. Step 3: Cross multiply
    1,304,278.56x = 1,800,008.72 × 723,558.96
  4. Step 4: Simplify right side
    1,304,278.56x = 1,302,412,437,434.13
  5. Step 5: Solve for x
    x = 1,302,412,437,434.13/1,304,278.56
  6. Step 6: Final answer
    x = 998,569.23

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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.