Home / 1,203,588.72-1,660,875.84-659,628.36

Finding the Fourth Proportional to 1,203,588.72, 1,660,875.84 and 659,628.36

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Solution

The fourth proportional to 1,203,588.72, 1,660,875.84 and 659,628.36 is: 910,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,588.72 : 1,660,875.84 = 659,628.36 : x
  2. Step 2: Convert to fraction form
    1,203,588.72/1,660,875.84 = 659,628.36/x
  3. Step 3: Cross multiply
    1,203,588.72x = 1,660,875.84 × 659,628.36
  4. Step 4: Simplify right side
    1,203,588.72x = 1,095,560,806,502.82
  5. Step 5: Solve for x
    x = 1,095,560,806,502.82/1,203,588.72
  6. Step 6: Final answer
    x = 910,245.16

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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.