Home / 1,293,327.60-1,784,792.56-749,778.48

Finding the Fourth Proportional to 1,293,327.60, 1,784,792.56 and 749,778.48

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Solution

The fourth proportional to 1,293,327.60, 1,784,792.56 and 749,778.48 is: 1,034,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,327.60 : 1,784,792.56 = 749,778.48 : x
  2. Step 2: Convert to fraction form
    1,293,327.60/1,784,792.56 = 749,778.48/x
  3. Step 3: Cross multiply
    1,293,327.60x = 1,784,792.56 × 749,778.48
  4. Step 4: Simplify right side
    1,293,327.60x = 1,338,199,052,752.11
  5. Step 5: Solve for x
    x = 1,338,199,052,752.11/1,293,327.60
  6. Step 6: Final answer
    x = 1,034,694.58

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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.