Home / 1,630,841.91-2,251,687.73-1,019,269.56

Finding the Fourth Proportional to 1,630,841.91, 2,251,687.73 and 1,019,269.56

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Solution

The fourth proportional to 1,630,841.91, 2,251,687.73 and 1,019,269.56 is: 1,407,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,841.91 : 2,251,687.73 = 1,019,269.56 : x
  2. Step 2: Convert to fraction form
    1,630,841.91/2,251,687.73 = 1,019,269.56/x
  3. Step 3: Cross multiply
    1,630,841.91x = 2,251,687.73 × 1,019,269.56
  4. Step 4: Simplify right side
    1,630,841.91x = 2,295,076,761,814.50
  5. Step 5: Solve for x
    x = 2,295,076,761,814.50/1,630,841.91
  6. Step 6: Final answer
    x = 1,407,295.67

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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.