Home / 1,591,372.71-2,387,035.79-393,295.16

Finding the Fourth Proportional to 1,591,372.71, 2,387,035.79 and 393,295.16

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Solution

The fourth proportional to 1,591,372.71, 2,387,035.79 and 393,295.16 is: 589,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,372.71 : 2,387,035.79 = 393,295.16 : x
  2. Step 2: Convert to fraction form
    1,591,372.71/2,387,035.79 = 393,295.16/x
  3. Step 3: Cross multiply
    1,591,372.71x = 2,387,035.79 × 393,295.16
  4. Step 4: Simplify right side
    1,591,372.71x = 938,809,609,052.12
  5. Step 5: Solve for x
    x = 938,809,609,052.12/1,591,372.71
  6. Step 6: Final answer
    x = 589,936.98

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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.