Home / 1,279,046.98-1,765,090.47-706,091.86

Finding the Fourth Proportional to 1,279,046.98, 1,765,090.47 and 706,091.86

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Solution

The fourth proportional to 1,279,046.98, 1,765,090.47 and 706,091.86 is: 974,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,046.98 : 1,765,090.47 = 706,091.86 : x
  2. Step 2: Convert to fraction form
    1,279,046.98/1,765,090.47 = 706,091.86/x
  3. Step 3: Cross multiply
    1,279,046.98x = 1,765,090.47 × 706,091.86
  4. Step 4: Simplify right side
    1,279,046.98x = 1,246,316,013,030.57
  5. Step 5: Solve for x
    x = 1,246,316,013,030.57/1,279,046.98
  6. Step 6: Final answer
    x = 974,409.88

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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.