Home / 1,399,847.64-2,100,105.90-453,219.36

Finding the Fourth Proportional to 1,399,847.64, 2,100,105.90 and 453,219.36

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Solution

The fourth proportional to 1,399,847.64, 2,100,105.90 and 453,219.36 is: 679,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,847.64 : 2,100,105.90 = 453,219.36 : x
  2. Step 2: Convert to fraction form
    1,399,847.64/2,100,105.90 = 453,219.36/x
  3. Step 3: Cross multiply
    1,399,847.64x = 2,100,105.90 × 453,219.36
  4. Step 4: Simplify right side
    1,399,847.64x = 951,808,651,930.22
  5. Step 5: Solve for x
    x = 951,808,651,930.22/1,399,847.64
  6. Step 6: Final answer
    x = 679,937.32

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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.