Home / 1,281,896.54-1,768,820.71-737,927.21

Finding the Fourth Proportional to 1,281,896.54, 1,768,820.71 and 737,927.21

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Solution

The fourth proportional to 1,281,896.54, 1,768,820.71 and 737,927.21 is: 1,018,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,896.54 : 1,768,820.71 = 737,927.21 : x
  2. Step 2: Convert to fraction form
    1,281,896.54/1,768,820.71 = 737,927.21/x
  3. Step 3: Cross multiply
    1,281,896.54x = 1,768,820.71 × 737,927.21
  4. Step 4: Simplify right side
    1,281,896.54x = 1,305,260,936,030.68
  5. Step 5: Solve for x
    x = 1,305,260,936,030.68/1,281,896.54
  6. Step 6: Final answer
    x = 1,018,226.43

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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.