Home / 1,279,031.86-1,765,017.70-706,059.73

Finding the Fourth Proportional to 1,279,031.86, 1,765,017.70 and 706,059.73

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Solution

The fourth proportional to 1,279,031.86, 1,765,017.70 and 706,059.73 is: 974,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,031.86 : 1,765,017.70 = 706,059.73 : x
  2. Step 2: Convert to fraction form
    1,279,031.86/1,765,017.70 = 706,059.73/x
  3. Step 3: Cross multiply
    1,279,031.86x = 1,765,017.70 × 706,059.73
  4. Step 4: Simplify right side
    1,279,031.86x = 1,246,207,920,707.22
  5. Step 5: Solve for x
    x = 1,246,207,920,707.22/1,279,031.86
  6. Step 6: Final answer
    x = 974,336.89

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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.