Home / 1,012,188.43-1,518,704.32-443,977.58

Finding the Fourth Proportional to 1,012,188.43, 1,518,704.32 and 443,977.58

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Solution

The fourth proportional to 1,012,188.43, 1,518,704.32 and 443,977.58 is: 666,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,188.43 : 1,518,704.32 = 443,977.58 : x
  2. Step 2: Convert to fraction form
    1,012,188.43/1,518,704.32 = 443,977.58/x
  3. Step 3: Cross multiply
    1,012,188.43x = 1,518,704.32 × 443,977.58
  4. Step 4: Simplify right side
    1,012,188.43x = 674,270,671,415.96
  5. Step 5: Solve for x
    x = 674,270,671,415.96/1,012,188.43
  6. Step 6: Final answer
    x = 666,151.33

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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.