Home / 1,242,501.72-1,863,755.28-343,946.04

Finding the Fourth Proportional to 1,242,501.72, 1,863,755.28 and 343,946.04

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Solution

The fourth proportional to 1,242,501.72, 1,863,755.28 and 343,946.04 is: 515,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,501.72 : 1,863,755.28 = 343,946.04 : x
  2. Step 2: Convert to fraction form
    1,242,501.72/1,863,755.28 = 343,946.04/x
  3. Step 3: Cross multiply
    1,242,501.72x = 1,863,755.28 × 343,946.04
  4. Step 4: Simplify right side
    1,242,501.72x = 641,031,248,085.09
  5. Step 5: Solve for x
    x = 641,031,248,085.09/1,242,501.72
  6. Step 6: Final answer
    x = 515,919.81

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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.