Home / 1,297,472.21-1,946,563.38-624,116.78

Finding the Fourth Proportional to 1,297,472.21, 1,946,563.38 and 624,116.78

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Solution

The fourth proportional to 1,297,472.21, 1,946,563.38 and 624,116.78 is: 936,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,472.21 : 1,946,563.38 = 624,116.78 : x
  2. Step 2: Convert to fraction form
    1,297,472.21/1,946,563.38 = 624,116.78/x
  3. Step 3: Cross multiply
    1,297,472.21x = 1,946,563.38 × 624,116.78
  4. Step 4: Simplify right side
    1,297,472.21x = 1,214,882,859,058.70
  5. Step 5: Solve for x
    x = 1,214,882,859,058.70/1,297,472.21
  6. Step 6: Final answer
    x = 936,345.96

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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.