Home / 1,282,672.25-1,770,064.39-709,712.43

Finding the Fourth Proportional to 1,282,672.25, 1,770,064.39 and 709,712.43

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Solution

The fourth proportional to 1,282,672.25, 1,770,064.39 and 709,712.43 is: 979,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,672.25 : 1,770,064.39 = 709,712.43 : x
  2. Step 2: Convert to fraction form
    1,282,672.25/1,770,064.39 = 709,712.43/x
  3. Step 3: Cross multiply
    1,282,672.25x = 1,770,064.39 × 709,712.43
  4. Step 4: Simplify right side
    1,282,672.25x = 1,256,236,699,483.37
  5. Step 5: Solve for x
    x = 1,256,236,699,483.37/1,282,672.25
  6. Step 6: Final answer
    x = 979,390.25

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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.