Home / 1,399,671.72-2,099,840.76-453,042.36

Finding the Fourth Proportional to 1,399,671.72, 2,099,840.76 and 453,042.36

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Solution

The fourth proportional to 1,399,671.72, 2,099,840.76 and 453,042.36 is: 679,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,671.72 : 2,099,840.76 = 453,042.36 : x
  2. Step 2: Convert to fraction form
    1,399,671.72/2,099,840.76 = 453,042.36/x
  3. Step 3: Cross multiply
    1,399,671.72x = 2,099,840.76 × 453,042.36
  4. Step 4: Simplify right side
    1,399,671.72x = 951,316,813,534.59
  5. Step 5: Solve for x
    x = 951,316,813,534.59/1,399,671.72
  6. Step 6: Final answer
    x = 679,671.38

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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.