Home / 947,370.78-1,426,632.26-682,991.64

Finding the Fourth Proportional to 947,370.78, 1,426,632.26 and 682,991.64

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Solution

The fourth proportional to 947,370.78, 1,426,632.26 and 682,991.64 is: 1,028,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,370.78 : 1,426,632.26 = 682,991.64 : x
  2. Step 2: Convert to fraction form
    947,370.78/1,426,632.26 = 682,991.64/x
  3. Step 3: Cross multiply
    947,370.78x = 1,426,632.26 × 682,991.64
  4. Step 4: Simplify right side
    947,370.78x = 974,377,903,519.35
  5. Step 5: Solve for x
    x = 974,377,903,519.35/947,370.78
  6. Step 6: Final answer
    x = 1,028,507.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.