Home / 1,399,864.56-2,100,130.56-453,235.56

Finding the Fourth Proportional to 1,399,864.56, 2,100,130.56 and 453,235.56

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Solution

The fourth proportional to 1,399,864.56, 2,100,130.56 and 453,235.56 is: 679,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,864.56 : 2,100,130.56 = 453,235.56 : x
  2. Step 2: Convert to fraction form
    1,399,864.56/2,100,130.56 = 453,235.56/x
  3. Step 3: Cross multiply
    1,399,864.56x = 2,100,130.56 × 453,235.56
  4. Step 4: Simplify right side
    1,399,864.56x = 951,853,850,434.71
  5. Step 5: Solve for x
    x = 951,853,850,434.71/1,399,864.56
  6. Step 6: Final answer
    x = 679,961.39

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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.