Home / 1,520,771.52-2,099,132.10-876,622.26

Finding the Fourth Proportional to 1,520,771.52, 2,099,132.10 and 876,622.26

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Solution

The fourth proportional to 1,520,771.52, 2,099,132.10 and 876,622.26 is: 1,210,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,771.52 : 2,099,132.10 = 876,622.26 : x
  2. Step 2: Convert to fraction form
    1,520,771.52/2,099,132.10 = 876,622.26/x
  3. Step 3: Cross multiply
    1,520,771.52x = 2,099,132.10 × 876,622.26
  4. Step 4: Simplify right side
    1,520,771.52x = 1,840,145,925,540.55
  5. Step 5: Solve for x
    x = 1,840,145,925,540.55/1,520,771.52
  6. Step 6: Final answer
    x = 1,210,008.14

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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.