Home / 1,224,861.72-1,837,173.78-371,940.77

Finding the Fourth Proportional to 1,224,861.72, 1,837,173.78 and 371,940.77

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Solution

The fourth proportional to 1,224,861.72, 1,837,173.78 and 371,940.77 is: 557,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,861.72 : 1,837,173.78 = 371,940.77 : x
  2. Step 2: Convert to fraction form
    1,224,861.72/1,837,173.78 = 371,940.77/x
  3. Step 3: Cross multiply
    1,224,861.72x = 1,837,173.78 × 371,940.77
  4. Step 4: Simplify right side
    1,224,861.72x = 683,319,821,171.14
  5. Step 5: Solve for x
    x = 683,319,821,171.14/1,224,861.72
  6. Step 6: Final answer
    x = 557,875.07

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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.