Home / 1,271,102.58-1,906,395.21-372,302.82

Finding the Fourth Proportional to 1,271,102.58, 1,906,395.21 and 372,302.82

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Solution

The fourth proportional to 1,271,102.58, 1,906,395.21 and 372,302.82 is: 558,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,102.58 : 1,906,395.21 = 372,302.82 : x
  2. Step 2: Convert to fraction form
    1,271,102.58/1,906,395.21 = 372,302.82/x
  3. Step 3: Cross multiply
    1,271,102.58x = 1,906,395.21 × 372,302.82
  4. Step 4: Simplify right side
    1,271,102.58x = 709,756,312,717.49
  5. Step 5: Solve for x
    x = 709,756,312,717.49/1,271,102.58
  6. Step 6: Final answer
    x = 558,378.47

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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.