Home / 1,241,169.90-1,861,717.66-342,666.48

Finding the Fourth Proportional to 1,241,169.90, 1,861,717.66 and 342,666.48

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Solution

The fourth proportional to 1,241,169.90, 1,861,717.66 and 342,666.48 is: 513,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,169.90 : 1,861,717.66 = 342,666.48 : x
  2. Step 2: Convert to fraction form
    1,241,169.90/1,861,717.66 = 342,666.48/x
  3. Step 3: Cross multiply
    1,241,169.90x = 1,861,717.66 × 342,666.48
  4. Step 4: Simplify right side
    1,241,169.90x = 637,948,237,306.04
  5. Step 5: Solve for x
    x = 637,948,237,306.04/1,241,169.90
  6. Step 6: Final answer
    x = 513,989.45

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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.