Home / 1,296,318.21-1,789,591.71-947,066.91

Finding the Fourth Proportional to 1,296,318.21, 1,789,591.71 and 947,066.91

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Solution

The fourth proportional to 1,296,318.21, 1,789,591.71 and 947,066.91 is: 1,307,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,318.21 : 1,789,591.71 = 947,066.91 : x
  2. Step 2: Convert to fraction form
    1,296,318.21/1,789,591.71 = 947,066.91/x
  3. Step 3: Cross multiply
    1,296,318.21x = 1,789,591.71 × 947,066.91
  4. Step 4: Simplify right side
    1,296,318.21x = 1,694,863,090,951.32
  5. Step 5: Solve for x
    x = 1,694,863,090,951.32/1,296,318.21
  6. Step 6: Final answer
    x = 1,307,443.71

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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.