Home / 1,259,271.27-1,737,743.76-686,299.14

Finding the Fourth Proportional to 1,259,271.27, 1,737,743.76 and 686,299.14

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Solution

The fourth proportional to 1,259,271.27, 1,737,743.76 and 686,299.14 is: 947,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,271.27 : 1,737,743.76 = 686,299.14 : x
  2. Step 2: Convert to fraction form
    1,259,271.27/1,737,743.76 = 686,299.14/x
  3. Step 3: Cross multiply
    1,259,271.27x = 1,737,743.76 × 686,299.14
  4. Step 4: Simplify right side
    1,259,271.27x = 1,192,612,048,028.37
  5. Step 5: Solve for x
    x = 1,192,612,048,028.37/1,259,271.27
  6. Step 6: Final answer
    x = 947,065.24

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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.