Home / 1,515,005.10-2,272,507.65-717,843.60

Finding the Fourth Proportional to 1,515,005.10, 2,272,507.65 and 717,843.60

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Solution

The fourth proportional to 1,515,005.10, 2,272,507.65 and 717,843.60 is: 1,076,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,005.10 : 2,272,507.65 = 717,843.60 : x
  2. Step 2: Convert to fraction form
    1,515,005.10/2,272,507.65 = 717,843.60/x
  3. Step 3: Cross multiply
    1,515,005.10x = 2,272,507.65 × 717,843.60
  4. Step 4: Simplify right side
    1,515,005.10x = 1,631,305,072,503.54
  5. Step 5: Solve for x
    x = 1,631,305,072,503.54/1,515,005.10
  6. Step 6: Final answer
    x = 1,076,765.40

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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.