Home / 1,785,286.53-2,465,376.87-1,242,905.38

Finding the Fourth Proportional to 1,785,286.53, 2,465,376.87 and 1,242,905.38

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Solution

The fourth proportional to 1,785,286.53, 2,465,376.87 and 1,242,905.38 is: 1,716,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,286.53 : 2,465,376.87 = 1,242,905.38 : x
  2. Step 2: Convert to fraction form
    1,785,286.53/2,465,376.87 = 1,242,905.38/x
  3. Step 3: Cross multiply
    1,785,286.53x = 2,465,376.87 × 1,242,905.38
  4. Step 4: Simplify right side
    1,785,286.53x = 3,064,230,169,287.12
  5. Step 5: Solve for x
    x = 3,064,230,169,287.12/1,785,286.53
  6. Step 6: Final answer
    x = 1,716,380.04

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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.