Home / 1,591,310.79-2,196,056.46-979,816.41

Finding the Fourth Proportional to 1,591,310.79, 2,196,056.46 and 979,816.41

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Solution

The fourth proportional to 1,591,310.79, 2,196,056.46 and 979,816.41 is: 1,352,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,310.79 : 2,196,056.46 = 979,816.41 : x
  2. Step 2: Convert to fraction form
    1,591,310.79/2,196,056.46 = 979,816.41/x
  3. Step 3: Cross multiply
    1,591,310.79x = 2,196,056.46 × 979,816.41
  4. Step 4: Simplify right side
    1,591,310.79x = 2,151,732,156,794.51
  5. Step 5: Solve for x
    x = 2,151,732,156,794.51/1,591,310.79
  6. Step 6: Final answer
    x = 1,352,175.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.