Home / 1,076,915.70-1,486,149.52-617,993.73

Finding the Fourth Proportional to 1,076,915.70, 1,486,149.52 and 617,993.73

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Solution

The fourth proportional to 1,076,915.70, 1,486,149.52 and 617,993.73 is: 852,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,915.70 : 1,486,149.52 = 617,993.73 : x
  2. Step 2: Convert to fraction form
    1,076,915.70/1,486,149.52 = 617,993.73/x
  3. Step 3: Cross multiply
    1,076,915.70x = 1,486,149.52 × 617,993.73
  4. Step 4: Simplify right side
    1,076,915.70x = 918,431,090,389.32
  5. Step 5: Solve for x
    x = 918,431,090,389.32/1,076,915.70
  6. Step 6: Final answer
    x = 852,834.71

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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.