Home / 1,279,179.92-1,765,263.40-706,215.98

Finding the Fourth Proportional to 1,279,179.92, 1,765,263.40 and 706,215.98

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Solution

The fourth proportional to 1,279,179.92, 1,765,263.40 and 706,215.98 is: 974,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,179.92 : 1,765,263.40 = 706,215.98 : x
  2. Step 2: Convert to fraction form
    1,279,179.92/1,765,263.40 = 706,215.98/x
  3. Step 3: Cross multiply
    1,279,179.92x = 1,765,263.40 × 706,215.98
  4. Step 4: Simplify right side
    1,279,179.92x = 1,246,657,224,636.75
  5. Step 5: Solve for x
    x = 1,246,657,224,636.75/1,279,179.92
  6. Step 6: Final answer
    x = 974,575.35

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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.