Home / 1,064,561.92-1,469,085.36-656,500.64

Finding the Fourth Proportional to 1,064,561.92, 1,469,085.36 and 656,500.64

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Solution

The fourth proportional to 1,064,561.92, 1,469,085.36 and 656,500.64 is: 905,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,561.92 : 1,469,085.36 = 656,500.64 : x
  2. Step 2: Convert to fraction form
    1,064,561.92/1,469,085.36 = 656,500.64/x
  3. Step 3: Cross multiply
    1,064,561.92x = 1,469,085.36 × 656,500.64
  4. Step 4: Simplify right side
    1,064,561.92x = 964,455,479,054.63
  5. Step 5: Solve for x
    x = 964,455,479,054.63/1,064,561.92
  6. Step 6: Final answer
    x = 905,964.66

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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.