Home / 1,428,911.54-2,151,921.04-1,301,365.70

Finding the Fourth Proportional to 1,428,911.54, 2,151,921.04 and 1,301,365.70

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Solution

The fourth proportional to 1,428,911.54, 2,151,921.04 and 1,301,365.70 is: 1,959,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,911.54 : 2,151,921.04 = 1,301,365.70 : x
  2. Step 2: Convert to fraction form
    1,428,911.54/2,151,921.04 = 1,301,365.70/x
  3. Step 3: Cross multiply
    1,428,911.54x = 2,151,921.04 × 1,301,365.70
  4. Step 4: Simplify right side
    1,428,911.54x = 2,800,436,224,621.01
  5. Step 5: Solve for x
    x = 2,800,436,224,621.01/1,428,911.54
  6. Step 6: Final answer
    x = 1,959,838.76

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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.