Home / 1,332,671.43-1,838,630.22-1,087,228.52

Finding the Fourth Proportional to 1,332,671.43, 1,838,630.22 and 1,087,228.52

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Solution

The fourth proportional to 1,332,671.43, 1,838,630.22 and 1,087,228.52 is: 1,500,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,671.43 : 1,838,630.22 = 1,087,228.52 : x
  2. Step 2: Convert to fraction form
    1,332,671.43/1,838,630.22 = 1,087,228.52/x
  3. Step 3: Cross multiply
    1,332,671.43x = 1,838,630.22 × 1,087,228.52
  4. Step 4: Simplify right side
    1,332,671.43x = 1,999,011,212,917.87
  5. Step 5: Solve for x
    x = 1,999,011,212,917.87/1,332,671.43
  6. Step 6: Final answer
    x = 1,500,003.05

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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.