Home / 808,112.10-1,212,168.15-739,877.70

Finding the Fourth Proportional to 808,112.10, 1,212,168.15 and 739,877.70

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Solution

The fourth proportional to 808,112.10, 1,212,168.15 and 739,877.70 is: 1,109,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,112.10 : 1,212,168.15 = 739,877.70 : x
  2. Step 2: Convert to fraction form
    808,112.10/1,212,168.15 = 739,877.70/x
  3. Step 3: Cross multiply
    808,112.10x = 1,212,168.15 × 739,877.70
  4. Step 4: Simplify right side
    808,112.10x = 896,856,182,835.26
  5. Step 5: Solve for x
    x = 896,856,182,835.26/808,112.10
  6. Step 6: Final answer
    x = 1,109,816.55

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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.