Home / 1,300,638.24-1,794,882.33-727,678.86

Finding the Fourth Proportional to 1,300,638.24, 1,794,882.33 and 727,678.86

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Solution

The fourth proportional to 1,300,638.24, 1,794,882.33 and 727,678.86 is: 1,004,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,638.24 : 1,794,882.33 = 727,678.86 : x
  2. Step 2: Convert to fraction form
    1,300,638.24/1,794,882.33 = 727,678.86/x
  3. Step 3: Cross multiply
    1,300,638.24x = 1,794,882.33 × 727,678.86
  4. Step 4: Simplify right side
    1,300,638.24x = 1,306,097,927,728.54
  5. Step 5: Solve for x
    x = 1,306,097,927,728.54/1,300,638.24
  6. Step 6: Final answer
    x = 1,004,197.70

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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.