Home / 1,629,661.80-2,248,916.79-904,515.78

Finding the Fourth Proportional to 1,629,661.80, 2,248,916.79 and 904,515.78

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Solution

The fourth proportional to 1,629,661.80, 2,248,916.79 and 904,515.78 is: 1,248,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,661.80 : 2,248,916.79 = 904,515.78 : x
  2. Step 2: Convert to fraction form
    1,629,661.80/2,248,916.79 = 904,515.78/x
  3. Step 3: Cross multiply
    1,629,661.80x = 2,248,916.79 × 904,515.78
  4. Step 4: Simplify right side
    1,629,661.80x = 2,034,180,724,461.95
  5. Step 5: Solve for x
    x = 2,034,180,724,461.95/1,629,661.80
  6. Step 6: Final answer
    x = 1,248,222.62

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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.