Home / 1,199,506.15-1,799,574.35-431,081.44

Finding the Fourth Proportional to 1,199,506.15, 1,799,574.35 and 431,081.44

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Solution

The fourth proportional to 1,199,506.15, 1,799,574.35 and 431,081.44 is: 646,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,506.15 : 1,799,574.35 = 431,081.44 : x
  2. Step 2: Convert to fraction form
    1,199,506.15/1,799,574.35 = 431,081.44/x
  3. Step 3: Cross multiply
    1,199,506.15x = 1,799,574.35 × 431,081.44
  4. Step 4: Simplify right side
    1,199,506.15x = 775,763,108,394.62
  5. Step 5: Solve for x
    x = 775,763,108,394.62/1,199,506.15
  6. Step 6: Final answer
    x = 646,735.41

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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.