Home / 1,292,829.14-1,784,185.26-712,052.16

Finding the Fourth Proportional to 1,292,829.14, 1,784,185.26 and 712,052.16

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Solution

The fourth proportional to 1,292,829.14, 1,784,185.26 and 712,052.16 is: 982,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,829.14 : 1,784,185.26 = 712,052.16 : x
  2. Step 2: Convert to fraction form
    1,292,829.14/1,784,185.26 = 712,052.16/x
  3. Step 3: Cross multiply
    1,292,829.14x = 1,784,185.26 × 712,052.16
  4. Step 4: Simplify right side
    1,292,829.14x = 1,270,432,961,982.57
  5. Step 5: Solve for x
    x = 1,270,432,961,982.57/1,292,829.14
  6. Step 6: Final answer
    x = 982,676.61

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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.