Home / 1,269,845.34-1,751,887.74-725,689.21

Finding the Fourth Proportional to 1,269,845.34, 1,751,887.74 and 725,689.21

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Solution

The fourth proportional to 1,269,845.34, 1,751,887.74 and 725,689.21 is: 1,001,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,845.34 : 1,751,887.74 = 725,689.21 : x
  2. Step 2: Convert to fraction form
    1,269,845.34/1,751,887.74 = 725,689.21/x
  3. Step 3: Cross multiply
    1,269,845.34x = 1,751,887.74 × 725,689.21
  4. Step 4: Simplify right side
    1,269,845.34x = 1,271,326,017,661.40
  5. Step 5: Solve for x
    x = 1,271,326,017,661.40/1,269,845.34
  6. Step 6: Final answer
    x = 1,001,166.03

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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.