Home / 1,211,015.86-1,671,076.26-745,795.78

Finding the Fourth Proportional to 1,211,015.86, 1,671,076.26 and 745,795.78

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Solution

The fourth proportional to 1,211,015.86, 1,671,076.26 and 745,795.78 is: 1,029,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,015.86 : 1,671,076.26 = 745,795.78 : x
  2. Step 2: Convert to fraction form
    1,211,015.86/1,671,076.26 = 745,795.78/x
  3. Step 3: Cross multiply
    1,211,015.86x = 1,671,076.26 × 745,795.78
  4. Step 4: Simplify right side
    1,211,015.86x = 1,246,281,622,766.18
  5. Step 5: Solve for x
    x = 1,246,281,622,766.18/1,211,015.86
  6. Step 6: Final answer
    x = 1,029,120.81

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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.