Home / 1,279,309.71-1,765,460.58-706,348.53

Finding the Fourth Proportional to 1,279,309.71, 1,765,460.58 and 706,348.53

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Solution

The fourth proportional to 1,279,309.71, 1,765,460.58 and 706,348.53 is: 974,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,309.71 : 1,765,460.58 = 706,348.53 : x
  2. Step 2: Convert to fraction form
    1,279,309.71/1,765,460.58 = 706,348.53/x
  3. Step 3: Cross multiply
    1,279,309.71x = 1,765,460.58 × 706,348.53
  4. Step 4: Simplify right side
    1,279,309.71x = 1,247,030,485,455.95
  5. Step 5: Solve for x
    x = 1,247,030,485,455.95/1,279,309.71
  6. Step 6: Final answer
    x = 974,768.25

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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.