Home / 1,316,983.29-1,975,268.99-418,306.73

Finding the Fourth Proportional to 1,316,983.29, 1,975,268.99 and 418,306.73

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Solution

The fourth proportional to 1,316,983.29, 1,975,268.99 and 418,306.73 is: 627,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,983.29 : 1,975,268.99 = 418,306.73 : x
  2. Step 2: Convert to fraction form
    1,316,983.29/1,975,268.99 = 418,306.73/x
  3. Step 3: Cross multiply
    1,316,983.29x = 1,975,268.99 × 418,306.73
  4. Step 4: Simplify right side
    1,316,983.29x = 826,268,300,109.42
  5. Step 5: Solve for x
    x = 826,268,300,109.42/1,316,983.29
  6. Step 6: Final answer
    x = 627,394.67

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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.