Home / 1,076,325.18-1,485,336.33-617,459.78

Finding the Fourth Proportional to 1,076,325.18, 1,485,336.33 and 617,459.78

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Solution

The fourth proportional to 1,076,325.18, 1,485,336.33 and 617,459.78 is: 852,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,325.18 : 1,485,336.33 = 617,459.78 : x
  2. Step 2: Convert to fraction form
    1,076,325.18/1,485,336.33 = 617,459.78/x
  3. Step 3: Cross multiply
    1,076,325.18x = 1,485,336.33 × 617,459.78
  4. Step 4: Simplify right side
    1,076,325.18x = 917,135,436,121.13
  5. Step 5: Solve for x
    x = 917,135,436,121.13/1,076,325.18
  6. Step 6: Final answer
    x = 852,098.84

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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.