Home / 1,304,030.11-1,954,664.62-438,641.20

Finding the Fourth Proportional to 1,304,030.11, 1,954,664.62 and 438,641.20

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Solution

The fourth proportional to 1,304,030.11, 1,954,664.62 and 438,641.20 is: 657,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,030.11 : 1,954,664.62 = 438,641.20 : x
  2. Step 2: Convert to fraction form
    1,304,030.11/1,954,664.62 = 438,641.20/x
  3. Step 3: Cross multiply
    1,304,030.11x = 1,954,664.62 × 438,641.20
  4. Step 4: Simplify right side
    1,304,030.11x = 857,396,434,514.34
  5. Step 5: Solve for x
    x = 857,396,434,514.34/1,304,030.11
  6. Step 6: Final answer
    x = 657,497.42

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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.