Home / 1,304,655.32-1,800,438.95-723,888.97

Finding the Fourth Proportional to 1,304,655.32, 1,800,438.95 and 723,888.97

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Solution

The fourth proportional to 1,304,655.32, 1,800,438.95 and 723,888.97 is: 998,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,655.32 : 1,800,438.95 = 723,888.97 : x
  2. Step 2: Convert to fraction form
    1,304,655.32/1,800,438.95 = 723,888.97/x
  3. Step 3: Cross multiply
    1,304,655.32x = 1,800,438.95 × 723,888.97
  4. Step 4: Simplify right side
    1,304,655.32x = 1,303,317,894,372.01
  5. Step 5: Solve for x
    x = 1,303,317,894,372.01/1,304,655.32
  6. Step 6: Final answer
    x = 998,974.88

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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.