Home / 1,267,601.32-1,901,406.32-320,971.60

Finding the Fourth Proportional to 1,267,601.32, 1,901,406.32 and 320,971.60

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Solution

The fourth proportional to 1,267,601.32, 1,901,406.32 and 320,971.60 is: 481,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,601.32 : 1,901,406.32 = 320,971.60 : x
  2. Step 2: Convert to fraction form
    1,267,601.32/1,901,406.32 = 320,971.60/x
  3. Step 3: Cross multiply
    1,267,601.32x = 1,901,406.32 × 320,971.60
  4. Step 4: Simplify right side
    1,267,601.32x = 610,297,428,780.51
  5. Step 5: Solve for x
    x = 610,297,428,780.51/1,267,601.32
  6. Step 6: Final answer
    x = 481,458.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.