Home / 1,699,687.47-2,345,738.13-1,269,220.26

Finding the Fourth Proportional to 1,699,687.47, 2,345,738.13 and 1,269,220.26

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Solution

The fourth proportional to 1,699,687.47, 2,345,738.13 and 1,269,220.26 is: 1,751,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,687.47 : 2,345,738.13 = 1,269,220.26 : x
  2. Step 2: Convert to fraction form
    1,699,687.47/2,345,738.13 = 1,269,220.26/x
  3. Step 3: Cross multiply
    1,699,687.47x = 2,345,738.13 × 1,269,220.26
  4. Step 4: Simplify right side
    1,699,687.47x = 2,977,258,359,250.51
  5. Step 5: Solve for x
    x = 2,977,258,359,250.51/1,699,687.47
  6. Step 6: Final answer
    x = 1,751,650.47

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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.