Home / 1,509,806.79-2,082,846.87-897,612.21

Finding the Fourth Proportional to 1,509,806.79, 2,082,846.87 and 897,612.21

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Solution

The fourth proportional to 1,509,806.79, 2,082,846.87 and 897,612.21 is: 1,238,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,806.79 : 2,082,846.87 = 897,612.21 : x
  2. Step 2: Convert to fraction form
    1,509,806.79/2,082,846.87 = 897,612.21/x
  3. Step 3: Cross multiply
    1,509,806.79x = 2,082,846.87 × 897,612.21
  4. Step 4: Simplify right side
    1,509,806.79x = 1,869,588,782,072.28
  5. Step 5: Solve for x
    x = 1,869,588,782,072.28/1,509,806.79
  6. Step 6: Final answer
    x = 1,238,296.71

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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.