Home / 1,505,954.31-2,078,205.46-817,612.53

Finding the Fourth Proportional to 1,505,954.31, 2,078,205.46 and 817,612.53

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Solution

The fourth proportional to 1,505,954.31, 2,078,205.46 and 817,612.53 is: 1,128,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,954.31 : 2,078,205.46 = 817,612.53 : x
  2. Step 2: Convert to fraction form
    1,505,954.31/2,078,205.46 = 817,612.53/x
  3. Step 3: Cross multiply
    1,505,954.31x = 2,078,205.46 × 817,612.53
  4. Step 4: Simplify right side
    1,505,954.31x = 1,699,166,824,010.41
  5. Step 5: Solve for x
    x = 1,699,166,824,010.41/1,505,954.31
  6. Step 6: Final answer
    x = 1,128,299.05

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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.