Home / 1,369,881.37-2,054,836.14-611,761.42

Finding the Fourth Proportional to 1,369,881.37, 2,054,836.14 and 611,761.42

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Solution

The fourth proportional to 1,369,881.37, 2,054,836.14 and 611,761.42 is: 917,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,881.37 : 2,054,836.14 = 611,761.42 : x
  2. Step 2: Convert to fraction form
    1,369,881.37/2,054,836.14 = 611,761.42/x
  3. Step 3: Cross multiply
    1,369,881.37x = 2,054,836.14 × 611,761.42
  4. Step 4: Simplify right side
    1,369,881.37x = 1,257,069,461,540.73
  5. Step 5: Solve for x
    x = 1,257,069,461,540.73/1,369,881.37
  6. Step 6: Final answer
    x = 917,648.41

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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.