Home / 1,108,372.06-1,661,210.20-784,253.54

Finding the Fourth Proportional to 1,108,372.06, 1,661,210.20 and 784,253.54

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Solution

The fourth proportional to 1,108,372.06, 1,661,210.20 and 784,253.54 is: 1,175,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,372.06 : 1,661,210.20 = 784,253.54 : x
  2. Step 2: Convert to fraction form
    1,108,372.06/1,661,210.20 = 784,253.54/x
  3. Step 3: Cross multiply
    1,108,372.06x = 1,661,210.20 × 784,253.54
  4. Step 4: Simplify right side
    1,108,372.06x = 1,302,809,967,806.79
  5. Step 5: Solve for x
    x = 1,302,809,967,806.79/1,108,372.06
  6. Step 6: Final answer
    x = 1,175,426.57

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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.