Home / 1,321,069.30-1,823,082.59-740,293.73

Finding the Fourth Proportional to 1,321,069.30, 1,823,082.59 and 740,293.73

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Solution

The fourth proportional to 1,321,069.30, 1,823,082.59 and 740,293.73 is: 1,021,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,069.30 : 1,823,082.59 = 740,293.73 : x
  2. Step 2: Convert to fraction form
    1,321,069.30/1,823,082.59 = 740,293.73/x
  3. Step 3: Cross multiply
    1,321,069.30x = 1,823,082.59 × 740,293.73
  4. Step 4: Simplify right side
    1,321,069.30x = 1,349,616,610,221.04
  5. Step 5: Solve for x
    x = 1,349,616,610,221.04/1,321,069.30
  6. Step 6: Final answer
    x = 1,021,609.25

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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.