Home / 1,279,941.81-1,766,168.33-706,947.81

Finding the Fourth Proportional to 1,279,941.81, 1,766,168.33 and 706,947.81

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Solution

The fourth proportional to 1,279,941.81, 1,766,168.33 and 706,947.81 is: 975,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,941.81 : 1,766,168.33 = 706,947.81 : x
  2. Step 2: Convert to fraction form
    1,279,941.81/1,766,168.33 = 706,947.81/x
  3. Step 3: Cross multiply
    1,279,941.81x = 1,766,168.33 × 706,947.81
  4. Step 4: Simplify right side
    1,279,941.81x = 1,248,588,829,450.12
  5. Step 5: Solve for x
    x = 1,248,588,829,450.12/1,279,941.81
  6. Step 6: Final answer
    x = 975,504.37

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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.