Home / 1,474,321.80-2,034,629.55-829,783.74

Finding the Fourth Proportional to 1,474,321.80, 2,034,629.55 and 829,783.74

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Solution

The fourth proportional to 1,474,321.80, 2,034,629.55 and 829,783.74 is: 1,145,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,321.80 : 2,034,629.55 = 829,783.74 : x
  2. Step 2: Convert to fraction form
    1,474,321.80/2,034,629.55 = 829,783.74/x
  3. Step 3: Cross multiply
    1,474,321.80x = 2,034,629.55 × 829,783.74
  4. Step 4: Simplify right side
    1,474,321.80x = 1,688,302,517,513.52
  5. Step 5: Solve for x
    x = 1,688,302,517,513.52/1,474,321.80
  6. Step 6: Final answer
    x = 1,145,138.41

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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.