Home / 1,308,432.96-1,961,845.56-508,782.24

Finding the Fourth Proportional to 1,308,432.96, 1,961,845.56 and 508,782.24

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Solution

The fourth proportional to 1,308,432.96, 1,961,845.56 and 508,782.24 is: 762,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,432.96 : 1,961,845.56 = 508,782.24 : x
  2. Step 2: Convert to fraction form
    1,308,432.96/1,961,845.56 = 508,782.24/x
  3. Step 3: Cross multiply
    1,308,432.96x = 1,961,845.56 × 508,782.24
  4. Step 4: Simplify right side
    1,308,432.96x = 998,152,178,550.85
  5. Step 5: Solve for x
    x = 998,152,178,550.85/1,308,432.96
  6. Step 6: Final answer
    x = 762,860.77

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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.