Home / 1,555,586.07-2,147,183.24-902,377.16

Finding the Fourth Proportional to 1,555,586.07, 2,147,183.24 and 902,377.16

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Solution

The fourth proportional to 1,555,586.07, 2,147,183.24 and 902,377.16 is: 1,245,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,586.07 : 2,147,183.24 = 902,377.16 : x
  2. Step 2: Convert to fraction form
    1,555,586.07/2,147,183.24 = 902,377.16/x
  3. Step 3: Cross multiply
    1,555,586.07x = 2,147,183.24 × 902,377.16
  4. Step 4: Simplify right side
    1,555,586.07x = 1,937,569,106,914.93
  5. Step 5: Solve for x
    x = 1,937,569,106,914.93/1,555,586.07
  6. Step 6: Final answer
    x = 1,245,555.71

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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.