Home / 1,309,383.86-1,806,741.53-736,313.36

Finding the Fourth Proportional to 1,309,383.86, 1,806,741.53 and 736,313.36

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Solution

The fourth proportional to 1,309,383.86, 1,806,741.53 and 736,313.36 is: 1,015,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,383.86 : 1,806,741.53 = 736,313.36 : x
  2. Step 2: Convert to fraction form
    1,309,383.86/1,806,741.53 = 736,313.36/x
  3. Step 3: Cross multiply
    1,309,383.86x = 1,806,741.53 × 736,313.36
  4. Step 4: Simplify right side
    1,309,383.86x = 1,330,327,926,605.84
  5. Step 5: Solve for x
    x = 1,330,327,926,605.84/1,309,383.86
  6. Step 6: Final answer
    x = 1,015,995.36

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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.