Home / 1,478,299.32-2,040,057.72-799,240.68

Finding the Fourth Proportional to 1,478,299.32, 2,040,057.72 and 799,240.68

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Solution

The fourth proportional to 1,478,299.32, 2,040,057.72 and 799,240.68 is: 1,102,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,299.32 : 2,040,057.72 = 799,240.68 : x
  2. Step 2: Convert to fraction form
    1,478,299.32/2,040,057.72 = 799,240.68/x
  3. Step 3: Cross multiply
    1,478,299.32x = 2,040,057.72 × 799,240.68
  4. Step 4: Simplify right side
    1,478,299.32x = 1,630,497,119,372.05
  5. Step 5: Solve for x
    x = 1,630,497,119,372.05/1,478,299.32
  6. Step 6: Final answer
    x = 1,102,954.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.