Home / 1,328,804.92-1,993,524.90-430,247.62

Finding the Fourth Proportional to 1,328,804.92, 1,993,524.90 and 430,247.62

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Solution

The fourth proportional to 1,328,804.92, 1,993,524.90 and 430,247.62 is: 645,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,804.92 : 1,993,524.90 = 430,247.62 : x
  2. Step 2: Convert to fraction form
    1,328,804.92/1,993,524.90 = 430,247.62/x
  3. Step 3: Cross multiply
    1,328,804.92x = 1,993,524.90 × 430,247.62
  4. Step 4: Simplify right side
    1,328,804.92x = 857,709,343,635.74
  5. Step 5: Solve for x
    x = 857,709,343,635.74/1,328,804.92
  6. Step 6: Final answer
    x = 645,474.24

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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.