Home / 1,620,521.40-2,429,296.02-622,497.72

Finding the Fourth Proportional to 1,620,521.40, 2,429,296.02 and 622,497.72

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Solution

The fourth proportional to 1,620,521.40, 2,429,296.02 and 622,497.72 is: 933,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,521.40 : 2,429,296.02 = 622,497.72 : x
  2. Step 2: Convert to fraction form
    1,620,521.40/2,429,296.02 = 622,497.72/x
  3. Step 3: Cross multiply
    1,620,521.40x = 2,429,296.02 × 622,497.72
  4. Step 4: Simplify right side
    1,620,521.40x = 1,512,231,233,655.07
  5. Step 5: Solve for x
    x = 1,512,231,233,655.07/1,620,521.40
  6. Step 6: Final answer
    x = 933,175.73

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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.