Home / 1,241,167.91-1,861,714.67-342,664.47

Finding the Fourth Proportional to 1,241,167.91, 1,861,714.67 and 342,664.47

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Solution

The fourth proportional to 1,241,167.91, 1,861,714.67 and 342,664.47 is: 513,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,167.91 : 1,861,714.67 = 342,664.47 : x
  2. Step 2: Convert to fraction form
    1,241,167.91/1,861,714.67 = 342,664.47/x
  3. Step 3: Cross multiply
    1,241,167.91x = 1,861,714.67 × 342,664.47
  4. Step 4: Simplify right side
    1,241,167.91x = 637,943,468,973.45
  5. Step 5: Solve for x
    x = 637,943,468,973.45/1,241,167.91
  6. Step 6: Final answer
    x = 513,986.44

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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.