Home / 1,728,253.31-2,384,988.12-964,306.89

Finding the Fourth Proportional to 1,728,253.31, 2,384,988.12 and 964,306.89

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Solution

The fourth proportional to 1,728,253.31, 2,384,988.12 and 964,306.89 is: 1,330,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,253.31 : 2,384,988.12 = 964,306.89 : x
  2. Step 2: Convert to fraction form
    1,728,253.31/2,384,988.12 = 964,306.89/x
  3. Step 3: Cross multiply
    1,728,253.31x = 2,384,988.12 × 964,306.89
  4. Step 4: Simplify right side
    1,728,253.31x = 2,299,860,476,684.15
  5. Step 5: Solve for x
    x = 2,299,860,476,684.15/1,728,253.31
  6. Step 6: Final answer
    x = 1,330,742.70

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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.