Home / 1,279,754.33-1,766,050.13-706,782.20

Finding the Fourth Proportional to 1,279,754.33, 1,766,050.13 and 706,782.20

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Solution

The fourth proportional to 1,279,754.33, 1,766,050.13 and 706,782.20 is: 975,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,754.33 : 1,766,050.13 = 706,782.20 : x
  2. Step 2: Convert to fraction form
    1,279,754.33/1,766,050.13 = 706,782.20/x
  3. Step 3: Cross multiply
    1,279,754.33x = 1,766,050.13 × 706,782.20
  4. Step 4: Simplify right side
    1,279,754.33x = 1,248,212,783,827.52
  5. Step 5: Solve for x
    x = 1,248,212,783,827.52/1,279,754.33
  6. Step 6: Final answer
    x = 975,353.44

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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.