Home / 1,391,635.45-2,087,453.18-1,076,318.65

Finding the Fourth Proportional to 1,391,635.45, 2,087,453.18 and 1,076,318.65

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Solution

The fourth proportional to 1,391,635.45, 2,087,453.18 and 1,076,318.65 is: 1,614,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,635.45 : 2,087,453.18 = 1,076,318.65 : x
  2. Step 2: Convert to fraction form
    1,391,635.45/2,087,453.18 = 1,076,318.65/x
  3. Step 3: Cross multiply
    1,391,635.45x = 2,087,453.18 × 1,076,318.65
  4. Step 4: Simplify right side
    1,391,635.45x = 2,246,764,783,254.21
  5. Step 5: Solve for x
    x = 2,246,764,783,254.21/1,391,635.45
  6. Step 6: Final answer
    x = 1,614,477.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.