Home / 1,289,905.44-1,934,860.32-491,003.52

Finding the Fourth Proportional to 1,289,905.44, 1,934,860.32 and 491,003.52

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Solution

The fourth proportional to 1,289,905.44, 1,934,860.32 and 491,003.52 is: 736,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,905.44 : 1,934,860.32 = 491,003.52 : x
  2. Step 2: Convert to fraction form
    1,289,905.44/1,934,860.32 = 491,003.52/x
  3. Step 3: Cross multiply
    1,289,905.44x = 1,934,860.32 × 491,003.52
  4. Step 4: Simplify right side
    1,289,905.44x = 950,023,227,828.33
  5. Step 5: Solve for x
    x = 950,023,227,828.33/1,289,905.44
  6. Step 6: Final answer
    x = 736,506.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.