Home / 1,774,215.90-2,661,285.42-494,789.40

Finding the Fourth Proportional to 1,774,215.90, 2,661,285.42 and 494,789.40

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Solution

The fourth proportional to 1,774,215.90, 2,661,285.42 and 494,789.40 is: 742,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,215.90 : 2,661,285.42 = 494,789.40 : x
  2. Step 2: Convert to fraction form
    1,774,215.90/2,661,285.42 = 494,789.40/x
  3. Step 3: Cross multiply
    1,774,215.90x = 2,661,285.42 × 494,789.40
  4. Step 4: Simplify right side
    1,774,215.90x = 1,316,775,816,190.55
  5. Step 5: Solve for x
    x = 1,316,775,816,190.55/1,774,215.90
  6. Step 6: Final answer
    x = 742,173.38

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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.