Home / 1,601,861.80-2,402,792.70-479,930.80

Finding the Fourth Proportional to 1,601,861.80, 2,402,792.70 and 479,930.80

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Solution

The fourth proportional to 1,601,861.80, 2,402,792.70 and 479,930.80 is: 719,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,861.80 : 2,402,792.70 = 479,930.80 : x
  2. Step 2: Convert to fraction form
    1,601,861.80/2,402,792.70 = 479,930.80/x
  3. Step 3: Cross multiply
    1,601,861.80x = 2,402,792.70 × 479,930.80
  4. Step 4: Simplify right side
    1,601,861.80x = 1,153,174,222,745.16
  5. Step 5: Solve for x
    x = 1,153,174,222,745.16/1,601,861.80
  6. Step 6: Final answer
    x = 719,896.20

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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.