Home / 1,136,942.51-1,703,486.89-686,717.53

Finding the Fourth Proportional to 1,136,942.51, 1,703,486.89 and 686,717.53

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Solution

The fourth proportional to 1,136,942.51, 1,703,486.89 and 686,717.53 is: 1,028,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,942.51 : 1,703,486.89 = 686,717.53 : x
  2. Step 2: Convert to fraction form
    1,136,942.51/1,703,486.89 = 686,717.53/x
  3. Step 3: Cross multiply
    1,136,942.51x = 1,703,486.89 × 686,717.53
  4. Step 4: Simplify right side
    1,136,942.51x = 1,169,814,309,488.18
  5. Step 5: Solve for x
    x = 1,169,814,309,488.18/1,136,942.51
  6. Step 6: Final answer
    x = 1,028,912.46

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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.