Home / 1,299,612.27-1,949,003.78-446,478.15

Finding the Fourth Proportional to 1,299,612.27, 1,949,003.78 and 446,478.15

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Solution

The fourth proportional to 1,299,612.27, 1,949,003.78 and 446,478.15 is: 669,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,612.27 : 1,949,003.78 = 446,478.15 : x
  2. Step 2: Convert to fraction form
    1,299,612.27/1,949,003.78 = 446,478.15/x
  3. Step 3: Cross multiply
    1,299,612.27x = 1,949,003.78 × 446,478.15
  4. Step 4: Simplify right side
    1,299,612.27x = 870,187,603,153.60
  5. Step 5: Solve for x
    x = 870,187,603,153.60/1,299,612.27
  6. Step 6: Final answer
    x = 669,574.78

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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.