Home / 1,054,650.78-1,581,652.98-380,649.78

Finding the Fourth Proportional to 1,054,650.78, 1,581,652.98 and 380,649.78

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Solution

The fourth proportional to 1,054,650.78, 1,581,652.98 and 380,649.78 is: 570,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,650.78 : 1,581,652.98 = 380,649.78 : x
  2. Step 2: Convert to fraction form
    1,054,650.78/1,581,652.98 = 380,649.78/x
  3. Step 3: Cross multiply
    1,054,650.78x = 1,581,652.98 × 380,649.78
  4. Step 4: Simplify right side
    1,054,650.78x = 602,055,858,873.35
  5. Step 5: Solve for x
    x = 602,055,858,873.35/1,054,650.78
  6. Step 6: Final answer
    x = 570,858.02

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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.