Home / 1,029,249.92-1,420,249.55-570,249.86

Finding the Fourth Proportional to 1,029,249.92, 1,420,249.55 and 570,249.86

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Solution

The fourth proportional to 1,029,249.92, 1,420,249.55 and 570,249.86 is: 786,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,249.92 : 1,420,249.55 = 570,249.86 : x
  2. Step 2: Convert to fraction form
    1,029,249.92/1,420,249.55 = 570,249.86/x
  3. Step 3: Cross multiply
    1,029,249.92x = 1,420,249.55 × 570,249.86
  4. Step 4: Simplify right side
    1,029,249.92x = 809,897,097,100.07
  5. Step 5: Solve for x
    x = 809,897,097,100.07/1,029,249.92
  6. Step 6: Final answer
    x = 786,880.89

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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.