Home / 1,356,997.21-1,872,688.68-736,828.52

Finding the Fourth Proportional to 1,356,997.21, 1,872,688.68 and 736,828.52

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Solution

The fourth proportional to 1,356,997.21, 1,872,688.68 and 736,828.52 is: 1,016,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,997.21 : 1,872,688.68 = 736,828.52 : x
  2. Step 2: Convert to fraction form
    1,356,997.21/1,872,688.68 = 736,828.52/x
  3. Step 3: Cross multiply
    1,356,997.21x = 1,872,688.68 × 736,828.52
  4. Step 4: Simplify right side
    1,356,997.21x = 1,379,850,419,141.71
  5. Step 5: Solve for x
    x = 1,379,850,419,141.71/1,356,997.21
  6. Step 6: Final answer
    x = 1,016,841.02

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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.