Home / 1,279,850.01-1,920,090.84-381,288.25

Finding the Fourth Proportional to 1,279,850.01, 1,920,090.84 and 381,288.25

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Solution

The fourth proportional to 1,279,850.01, 1,920,090.84 and 381,288.25 is: 572,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,850.01 : 1,920,090.84 = 381,288.25 : x
  2. Step 2: Convert to fraction form
    1,279,850.01/1,920,090.84 = 381,288.25/x
  3. Step 3: Cross multiply
    1,279,850.01x = 1,920,090.84 × 381,288.25
  4. Step 4: Simplify right side
    1,279,850.01x = 732,108,076,224.63
  5. Step 5: Solve for x
    x = 732,108,076,224.63/1,279,850.01
  6. Step 6: Final answer
    x = 572,026.46

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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.