Home / 1,361,235.92-1,878,472.40-749,383.76

Finding the Fourth Proportional to 1,361,235.92, 1,878,472.40 and 749,383.76

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Solution

The fourth proportional to 1,361,235.92, 1,878,472.40 and 749,383.76 is: 1,034,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,235.92 : 1,878,472.40 = 749,383.76 : x
  2. Step 2: Convert to fraction form
    1,361,235.92/1,878,472.40 = 749,383.76/x
  3. Step 3: Cross multiply
    1,361,235.92x = 1,878,472.40 × 749,383.76
  4. Step 4: Simplify right side
    1,361,235.92x = 1,407,696,710,168.22
  5. Step 5: Solve for x
    x = 1,407,696,710,168.22/1,361,235.92
  6. Step 6: Final answer
    x = 1,034,131.33

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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.