Home / 1,308,861.63-1,806,008.96-728,009.01

Finding the Fourth Proportional to 1,308,861.63, 1,806,008.96 and 728,009.01

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Solution

The fourth proportional to 1,308,861.63, 1,806,008.96 and 728,009.01 is: 1,004,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,861.63 : 1,806,008.96 = 728,009.01 : x
  2. Step 2: Convert to fraction form
    1,308,861.63/1,806,008.96 = 728,009.01/x
  3. Step 3: Cross multiply
    1,308,861.63x = 1,806,008.96 × 728,009.01
  4. Step 4: Simplify right side
    1,308,861.63x = 1,314,790,791,380.68
  5. Step 5: Solve for x
    x = 1,314,790,791,380.68/1,308,861.63
  6. Step 6: Final answer
    x = 1,004,530.01

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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.