Home / 1,316,666.12-1,975,067.50-418,178.18

Finding the Fourth Proportional to 1,316,666.12, 1,975,067.50 and 418,178.18

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Solution

The fourth proportional to 1,316,666.12, 1,975,067.50 and 418,178.18 is: 627,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,666.12 : 1,975,067.50 = 418,178.18 : x
  2. Step 2: Convert to fraction form
    1,316,666.12/1,975,067.50 = 418,178.18/x
  3. Step 3: Cross multiply
    1,316,666.12x = 1,975,067.50 × 418,178.18
  4. Step 4: Simplify right side
    1,316,666.12x = 825,930,132,527.15
  5. Step 5: Solve for x
    x = 825,930,132,527.15/1,316,666.12
  6. Step 6: Final answer
    x = 627,288.97

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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.