Home / 1,279,084.90-1,765,090.89-706,112.77

Finding the Fourth Proportional to 1,279,084.90, 1,765,090.89 and 706,112.77

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Solution

The fourth proportional to 1,279,084.90, 1,765,090.89 and 706,112.77 is: 974,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,084.90 : 1,765,090.89 = 706,112.77 : x
  2. Step 2: Convert to fraction form
    1,279,084.90/1,765,090.89 = 706,112.77/x
  3. Step 3: Cross multiply
    1,279,084.90x = 1,765,090.89 × 706,112.77
  4. Step 4: Simplify right side
    1,279,084.90x = 1,246,353,217,639.67
  5. Step 5: Solve for x
    x = 1,246,353,217,639.67/1,279,084.90
  6. Step 6: Final answer
    x = 974,410.08

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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.