Home / 1,558,794.12-2,151,092.34-879,793.80

Finding the Fourth Proportional to 1,558,794.12, 2,151,092.34 and 879,793.80

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Solution

The fourth proportional to 1,558,794.12, 2,151,092.34 and 879,793.80 is: 1,214,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,794.12 : 2,151,092.34 = 879,793.80 : x
  2. Step 2: Convert to fraction form
    1,558,794.12/2,151,092.34 = 879,793.80/x
  3. Step 3: Cross multiply
    1,558,794.12x = 2,151,092.34 × 879,793.80
  4. Step 4: Simplify right side
    1,558,794.12x = 1,892,517,703,959.49
  5. Step 5: Solve for x
    x = 1,892,517,703,959.49/1,558,794.12
  6. Step 6: Final answer
    x = 1,214,090.87

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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.