Home / 1,309,807.20-1,965,306.96-635,524.32

Finding the Fourth Proportional to 1,309,807.20, 1,965,306.96 and 635,524.32

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Solution

The fourth proportional to 1,309,807.20, 1,965,306.96 and 635,524.32 is: 953,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,807.20 : 1,965,306.96 = 635,524.32 : x
  2. Step 2: Convert to fraction form
    1,309,807.20/1,965,306.96 = 635,524.32/x
  3. Step 3: Cross multiply
    1,309,807.20x = 1,965,306.96 × 635,524.32
  4. Step 4: Simplify right side
    1,309,807.20x = 1,249,000,369,345.27
  5. Step 5: Solve for x
    x = 1,249,000,369,345.27/1,309,807.20
  6. Step 6: Final answer
    x = 953,575.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.