Home / 1,671,255.25-2,507,242.70-518,478.44

Finding the Fourth Proportional to 1,671,255.25, 2,507,242.70 and 518,478.44

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Solution

The fourth proportional to 1,671,255.25, 2,507,242.70 and 518,478.44 is: 777,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,255.25 : 2,507,242.70 = 518,478.44 : x
  2. Step 2: Convert to fraction form
    1,671,255.25/2,507,242.70 = 518,478.44/x
  3. Step 3: Cross multiply
    1,671,255.25x = 2,507,242.70 × 518,478.44
  4. Step 4: Simplify right side
    1,671,255.25x = 1,299,951,272,557.37
  5. Step 5: Solve for x
    x = 1,299,951,272,557.37/1,671,255.25
  6. Step 6: Final answer
    x = 777,829.28

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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.