Home / 1,224,854.44-1,690,262.16-681,002.21

Finding the Fourth Proportional to 1,224,854.44, 1,690,262.16 and 681,002.21

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Solution

The fourth proportional to 1,224,854.44, 1,690,262.16 and 681,002.21 is: 939,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,854.44 : 1,690,262.16 = 681,002.21 : x
  2. Step 2: Convert to fraction form
    1,224,854.44/1,690,262.16 = 681,002.21/x
  3. Step 3: Cross multiply
    1,224,854.44x = 1,690,262.16 × 681,002.21
  4. Step 4: Simplify right side
    1,224,854.44x = 1,151,072,266,439.37
  5. Step 5: Solve for x
    x = 1,151,072,266,439.37/1,224,854.44
  6. Step 6: Final answer
    x = 939,762.50

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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.