Home / 1,334,990.72-1,842,296.03-723,143.47

Finding the Fourth Proportional to 1,334,990.72, 1,842,296.03 and 723,143.47

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Solution

The fourth proportional to 1,334,990.72, 1,842,296.03 and 723,143.47 is: 997,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,990.72 : 1,842,296.03 = 723,143.47 : x
  2. Step 2: Convert to fraction form
    1,334,990.72/1,842,296.03 = 723,143.47/x
  3. Step 3: Cross multiply
    1,334,990.72x = 1,842,296.03 × 723,143.47
  4. Step 4: Simplify right side
    1,334,990.72x = 1,332,244,338,391.75
  5. Step 5: Solve for x
    x = 1,332,244,338,391.75/1,334,990.72
  6. Step 6: Final answer
    x = 997,942.77

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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.