Home / 1,520,750.52-2,099,103.12-876,601.44

Finding the Fourth Proportional to 1,520,750.52, 2,099,103.12 and 876,601.44

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Solution

The fourth proportional to 1,520,750.52, 2,099,103.12 and 876,601.44 is: 1,209,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,750.52 : 2,099,103.12 = 876,601.44 : x
  2. Step 2: Convert to fraction form
    1,520,750.52/2,099,103.12 = 876,601.44/x
  3. Step 3: Cross multiply
    1,520,750.52x = 2,099,103.12 × 876,601.44
  4. Step 4: Simplify right side
    1,520,750.52x = 1,840,076,817,700.49
  5. Step 5: Solve for x
    x = 1,840,076,817,700.49/1,520,750.52
  6. Step 6: Final answer
    x = 1,209,979.41

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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.