Home / 1,004,025.36-1,385,041.68-641,067.60

Finding the Fourth Proportional to 1,004,025.36, 1,385,041.68 and 641,067.60

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Solution

The fourth proportional to 1,004,025.36, 1,385,041.68 and 641,067.60 is: 884,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,025.36 : 1,385,041.68 = 641,067.60 : x
  2. Step 2: Convert to fraction form
    1,004,025.36/1,385,041.68 = 641,067.60/x
  3. Step 3: Cross multiply
    1,004,025.36x = 1,385,041.68 × 641,067.60
  4. Step 4: Simplify right side
    1,004,025.36x = 887,905,345,697.57
  5. Step 5: Solve for x
    x = 887,905,345,697.57/1,004,025.36
  6. Step 6: Final answer
    x = 884,345.54

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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.