Home / 993,956.10-1,491,128.55-425,336.10

Finding the Fourth Proportional to 993,956.10, 1,491,128.55 and 425,336.10

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Solution

The fourth proportional to 993,956.10, 1,491,128.55 and 425,336.10 is: 638,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,956.10 : 1,491,128.55 = 425,336.10 : x
  2. Step 2: Convert to fraction form
    993,956.10/1,491,128.55 = 425,336.10/x
  3. Step 3: Cross multiply
    993,956.10x = 1,491,128.55 × 425,336.10
  4. Step 4: Simplify right side
    993,956.10x = 634,230,802,055.66
  5. Step 5: Solve for x
    x = 634,230,802,055.66/993,956.10
  6. Step 6: Final answer
    x = 638,087.34

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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.