Home / 1,381,103.13-1,906,018.02-837,261.84

Finding the Fourth Proportional to 1,381,103.13, 1,906,018.02 and 837,261.84

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Solution

The fourth proportional to 1,381,103.13, 1,906,018.02 and 837,261.84 is: 1,155,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,103.13 : 1,906,018.02 = 837,261.84 : x
  2. Step 2: Convert to fraction form
    1,381,103.13/1,906,018.02 = 837,261.84/x
  3. Step 3: Cross multiply
    1,381,103.13x = 1,906,018.02 × 837,261.84
  4. Step 4: Simplify right side
    1,381,103.13x = 1,595,836,161,645.92
  5. Step 5: Solve for x
    x = 1,595,836,161,645.92/1,381,103.13
  6. Step 6: Final answer
    x = 1,155,479.36

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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.