Home / 1,399,888.64-2,100,167.44-453,260.40

Finding the Fourth Proportional to 1,399,888.64, 2,100,167.44 and 453,260.40

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Solution

The fourth proportional to 1,399,888.64, 2,100,167.44 and 453,260.40 is: 679,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,888.64 : 2,100,167.44 = 453,260.40 : x
  2. Step 2: Convert to fraction form
    1,399,888.64/2,100,167.44 = 453,260.40/x
  3. Step 3: Cross multiply
    1,399,888.64x = 2,100,167.44 × 453,260.40
  4. Step 4: Simplify right side
    1,399,888.64x = 951,922,733,921.38
  5. Step 5: Solve for x
    x = 951,922,733,921.38/1,399,888.64
  6. Step 6: Final answer
    x = 679,998.90

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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.