Home / 1,399,688.22-2,099,865.54-453,058.86

Finding the Fourth Proportional to 1,399,688.22, 2,099,865.54 and 453,058.86

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Solution

The fourth proportional to 1,399,688.22, 2,099,865.54 and 453,058.86 is: 679,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,688.22 : 2,099,865.54 = 453,058.86 : x
  2. Step 2: Convert to fraction form
    1,399,688.22/2,099,865.54 = 453,058.86/x
  3. Step 3: Cross multiply
    1,399,688.22x = 2,099,865.54 × 453,058.86
  4. Step 4: Simplify right side
    1,399,688.22x = 951,362,687,705.69
  5. Step 5: Solve for x
    x = 951,362,687,705.69/1,399,688.22
  6. Step 6: Final answer
    x = 679,696.15

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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.