Home / 1,379,628.36-1,902,258.54-944,255.76

Finding the Fourth Proportional to 1,379,628.36, 1,902,258.54 and 944,255.76

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Solution

The fourth proportional to 1,379,628.36, 1,902,258.54 and 944,255.76 is: 1,301,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,628.36 : 1,902,258.54 = 944,255.76 : x
  2. Step 2: Convert to fraction form
    1,379,628.36/1,902,258.54 = 944,255.76/x
  3. Step 3: Cross multiply
    1,379,628.36x = 1,902,258.54 × 944,255.76
  4. Step 4: Simplify right side
    1,379,628.36x = 1,796,218,583,404.19
  5. Step 5: Solve for x
    x = 1,796,218,583,404.19/1,379,628.36
  6. Step 6: Final answer
    x = 1,301,958.29

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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.