Home / 1,279,045.98-1,765,089.09-706,090.86

Finding the Fourth Proportional to 1,279,045.98, 1,765,089.09 and 706,090.86

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Solution

The fourth proportional to 1,279,045.98, 1,765,089.09 and 706,090.86 is: 974,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,045.98 : 1,765,089.09 = 706,090.86 : x
  2. Step 2: Convert to fraction form
    1,279,045.98/1,765,089.09 = 706,090.86/x
  3. Step 3: Cross multiply
    1,279,045.98x = 1,765,089.09 × 706,090.86
  4. Step 4: Simplify right side
    1,279,045.98x = 1,246,313,273,534.72
  5. Step 5: Solve for x
    x = 1,246,313,273,534.72/1,279,045.98
  6. Step 6: Final answer
    x = 974,408.50

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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.