Home / 1,255,546.20-1,883,232.90-402,605.40

Finding the Fourth Proportional to 1,255,546.20, 1,883,232.90 and 402,605.40

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Solution

The fourth proportional to 1,255,546.20, 1,883,232.90 and 402,605.40 is: 603,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,546.20 : 1,883,232.90 = 402,605.40 : x
  2. Step 2: Convert to fraction form
    1,255,546.20/1,883,232.90 = 402,605.40/x
  3. Step 3: Cross multiply
    1,255,546.20x = 1,883,232.90 × 402,605.40
  4. Step 4: Simplify right side
    1,255,546.20x = 758,199,734,997.66
  5. Step 5: Solve for x
    x = 758,199,734,997.66/1,255,546.20
  6. Step 6: Final answer
    x = 603,880.39

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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.