Home / 1,358,841.51-2,038,576.82-399,311.73

Finding the Fourth Proportional to 1,358,841.51, 2,038,576.82 and 399,311.73

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Solution

The fourth proportional to 1,358,841.51, 2,038,576.82 and 399,311.73 is: 599,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,841.51 : 2,038,576.82 = 399,311.73 : x
  2. Step 2: Convert to fraction form
    1,358,841.51/2,038,576.82 = 399,311.73/x
  3. Step 3: Cross multiply
    1,358,841.51x = 2,038,576.82 × 399,311.73
  4. Step 4: Simplify right side
    1,358,841.51x = 814,027,634,735.54
  5. Step 5: Solve for x
    x = 814,027,634,735.54/1,358,841.51
  6. Step 6: Final answer
    x = 599,060.03

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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.