Home / 1,225,005.73-1,837,388.86-372,084.78

Finding the Fourth Proportional to 1,225,005.73, 1,837,388.86 and 372,084.78

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Solution

The fourth proportional to 1,225,005.73, 1,837,388.86 and 372,084.78 is: 558,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,005.73 : 1,837,388.86 = 372,084.78 : x
  2. Step 2: Convert to fraction form
    1,225,005.73/1,837,388.86 = 372,084.78/x
  3. Step 3: Cross multiply
    1,225,005.73x = 1,837,388.86 × 372,084.78
  4. Step 4: Simplify right side
    1,225,005.73x = 683,664,429,747.55
  5. Step 5: Solve for x
    x = 683,664,429,747.55/1,225,005.73
  6. Step 6: Final answer
    x = 558,090.80

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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.