Home / 1,355,143.54-2,032,299.15-937,105.78

Finding the Fourth Proportional to 1,355,143.54, 2,032,299.15 and 937,105.78

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Solution

The fourth proportional to 1,355,143.54, 2,032,299.15 and 937,105.78 is: 1,405,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,143.54 : 2,032,299.15 = 937,105.78 : x
  2. Step 2: Convert to fraction form
    1,355,143.54/2,032,299.15 = 937,105.78/x
  3. Step 3: Cross multiply
    1,355,143.54x = 2,032,299.15 × 937,105.78
  4. Step 4: Simplify right side
    1,355,143.54x = 1,904,479,280,154.09
  5. Step 5: Solve for x
    x = 1,904,479,280,154.09/1,355,143.54
  6. Step 6: Final answer
    x = 1,405,370.89

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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.