Home / 1,323,696.70-1,986,105.03-723,957.70

Finding the Fourth Proportional to 1,323,696.70, 1,986,105.03 and 723,957.70

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Solution

The fourth proportional to 1,323,696.70, 1,986,105.03 and 723,957.70 is: 1,086,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,696.70 : 1,986,105.03 = 723,957.70 : x
  2. Step 2: Convert to fraction form
    1,323,696.70/1,986,105.03 = 723,957.70/x
  3. Step 3: Cross multiply
    1,323,696.70x = 1,986,105.03 × 723,957.70
  4. Step 4: Simplify right side
    1,323,696.70x = 1,437,856,029,477.23
  5. Step 5: Solve for x
    x = 1,437,856,029,477.23/1,323,696.70
  6. Step 6: Final answer
    x = 1,086,242.81

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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.