Home / 1,052,439.60-1,577,622.60-520,042.80

Finding the Fourth Proportional to 1,052,439.60, 1,577,622.60 and 520,042.80

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Solution

The fourth proportional to 1,052,439.60, 1,577,622.60 and 520,042.80 is: 779,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,439.60 : 1,577,622.60 = 520,042.80 : x
  2. Step 2: Convert to fraction form
    1,052,439.60/1,577,622.60 = 520,042.80/x
  3. Step 3: Cross multiply
    1,052,439.60x = 1,577,622.60 × 520,042.80
  4. Step 4: Simplify right side
    1,052,439.60x = 820,431,274,247.28
  5. Step 5: Solve for x
    x = 820,431,274,247.28/1,052,439.60
  6. Step 6: Final answer
    x = 779,551.89

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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.