Home / 1,370,249.52-1,890,861.54-758,365.20

Finding the Fourth Proportional to 1,370,249.52, 1,890,861.54 and 758,365.20

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Solution

The fourth proportional to 1,370,249.52, 1,890,861.54 and 758,365.20 is: 1,046,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,249.52 : 1,890,861.54 = 758,365.20 : x
  2. Step 2: Convert to fraction form
    1,370,249.52/1,890,861.54 = 758,365.20/x
  3. Step 3: Cross multiply
    1,370,249.52x = 1,890,861.54 × 758,365.20
  4. Step 4: Simplify right side
    1,370,249.52x = 1,433,963,589,954.41
  5. Step 5: Solve for x
    x = 1,433,963,589,954.41/1,370,249.52
  6. Step 6: Final answer
    x = 1,046,498.15

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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.