Home / 1,011,088.37-1,394,661.20-768,839.85

Finding the Fourth Proportional to 1,011,088.37, 1,394,661.20 and 768,839.85

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Solution

The fourth proportional to 1,011,088.37, 1,394,661.20 and 768,839.85 is: 1,060,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,088.37 : 1,394,661.20 = 768,839.85 : x
  2. Step 2: Convert to fraction form
    1,011,088.37/1,394,661.20 = 768,839.85/x
  3. Step 3: Cross multiply
    1,011,088.37x = 1,394,661.20 × 768,839.85
  4. Step 4: Simplify right side
    1,011,088.37x = 1,072,271,103,964.62
  5. Step 5: Solve for x
    x = 1,072,271,103,964.62/1,011,088.37
  6. Step 6: Final answer
    x = 1,060,511.75

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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.