Home / 1,279,010.72-1,765,035.08-706,051.28

Finding the Fourth Proportional to 1,279,010.72, 1,765,035.08 and 706,051.28

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Solution

The fourth proportional to 1,279,010.72, 1,765,035.08 and 706,051.28 is: 974,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,010.72 : 1,765,035.08 = 706,051.28 : x
  2. Step 2: Convert to fraction form
    1,279,010.72/1,765,035.08 = 706,051.28/x
  3. Step 3: Cross multiply
    1,279,010.72x = 1,765,035.08 × 706,051.28
  4. Step 4: Simplify right side
    1,279,010.72x = 1,246,205,277,478.90
  5. Step 5: Solve for x
    x = 1,246,205,277,478.90/1,279,010.72
  6. Step 6: Final answer
    x = 974,350.92

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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.