Home / 1,279,085.40-1,765,091.58-706,113.27

Finding the Fourth Proportional to 1,279,085.40, 1,765,091.58 and 706,113.27

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Solution

The fourth proportional to 1,279,085.40, 1,765,091.58 and 706,113.27 is: 974,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,085.40 : 1,765,091.58 = 706,113.27 : x
  2. Step 2: Convert to fraction form
    1,279,085.40/1,765,091.58 = 706,113.27/x
  3. Step 3: Cross multiply
    1,279,085.40x = 1,765,091.58 × 706,113.27
  4. Step 4: Simplify right side
    1,279,085.40x = 1,246,354,587,403.27
  5. Step 5: Solve for x
    x = 1,246,354,587,403.27/1,279,085.40
  6. Step 6: Final answer
    x = 974,410.77

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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.