Home / 1,271,926.40-1,755,286.20-698,976.14

Finding the Fourth Proportional to 1,271,926.40, 1,755,286.20 and 698,976.14

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Solution

The fourth proportional to 1,271,926.40, 1,755,286.20 and 698,976.14 is: 964,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,926.40 : 1,755,286.20 = 698,976.14 : x
  2. Step 2: Convert to fraction form
    1,271,926.40/1,755,286.20 = 698,976.14/x
  3. Step 3: Cross multiply
    1,271,926.40x = 1,755,286.20 × 698,976.14
  4. Step 4: Simplify right side
    1,271,926.40x = 1,226,903,163,894.84
  5. Step 5: Solve for x
    x = 1,226,903,163,894.84/1,271,926.40
  6. Step 6: Final answer
    x = 964,602.33

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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.