Home / 1,136,941.51-1,703,485.39-686,716.53

Finding the Fourth Proportional to 1,136,941.51, 1,703,485.39 and 686,716.53

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Solution

The fourth proportional to 1,136,941.51, 1,703,485.39 and 686,716.53 is: 1,028,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,941.51 : 1,703,485.39 = 686,716.53 : x
  2. Step 2: Convert to fraction form
    1,136,941.51/1,703,485.39 = 686,716.53/x
  3. Step 3: Cross multiply
    1,136,941.51x = 1,703,485.39 × 686,716.53
  4. Step 4: Simplify right side
    1,136,941.51x = 1,169,811,581,349.64
  5. Step 5: Solve for x
    x = 1,169,811,581,349.64/1,136,941.51
  6. Step 6: Final answer
    x = 1,028,910.96

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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.