Home / 1,520,909.64-2,099,322.54-876,760.44

Finding the Fourth Proportional to 1,520,909.64, 2,099,322.54 and 876,760.44

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Solution

The fourth proportional to 1,520,909.64, 2,099,322.54 and 876,760.44 is: 1,210,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,909.64 : 2,099,322.54 = 876,760.44 : x
  2. Step 2: Convert to fraction form
    1,520,909.64/2,099,322.54 = 876,760.44/x
  3. Step 3: Cross multiply
    1,520,909.64x = 2,099,322.54 × 876,760.44
  4. Step 4: Simplify right side
    1,520,909.64x = 1,840,602,953,872.32
  5. Step 5: Solve for x
    x = 1,840,602,953,872.32/1,520,909.64
  6. Step 6: Final answer
    x = 1,210,198.76

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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.