Home / 1,776,216.24-2,664,462.96-639,126.72

Finding the Fourth Proportional to 1,776,216.24, 2,664,462.96 and 639,126.72

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Solution

The fourth proportional to 1,776,216.24, 2,664,462.96 and 639,126.72 is: 958,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,216.24 : 2,664,462.96 = 639,126.72 : x
  2. Step 2: Convert to fraction form
    1,776,216.24/2,664,462.96 = 639,126.72/x
  3. Step 3: Cross multiply
    1,776,216.24x = 2,664,462.96 × 639,126.72
  4. Step 4: Simplify right side
    1,776,216.24x = 1,702,929,472,186.29
  5. Step 5: Solve for x
    x = 1,702,929,472,186.29/1,776,216.24
  6. Step 6: Final answer
    x = 958,739.95

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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.