Home / 1,278,998.70-1,765,018.50-706,039.26

Finding the Fourth Proportional to 1,278,998.70, 1,765,018.50 and 706,039.26

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Solution

The fourth proportional to 1,278,998.70, 1,765,018.50 and 706,039.26 is: 974,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,998.70 : 1,765,018.50 = 706,039.26 : x
  2. Step 2: Convert to fraction form
    1,278,998.70/1,765,018.50 = 706,039.26/x
  3. Step 3: Cross multiply
    1,278,998.70x = 1,765,018.50 × 706,039.26
  4. Step 4: Simplify right side
    1,278,998.70x = 1,246,172,355,626.31
  5. Step 5: Solve for x
    x = 1,246,172,355,626.31/1,278,998.70
  6. Step 6: Final answer
    x = 974,334.34

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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.