Home / 993,011.56-1,488,333.66-691,861.48

Finding the Fourth Proportional to 993,011.56, 1,488,333.66 and 691,861.48

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Solution

The fourth proportional to 993,011.56, 1,488,333.66 and 691,861.48 is: 1,036,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,011.56 : 1,488,333.66 = 691,861.48 : x
  2. Step 2: Convert to fraction form
    993,011.56/1,488,333.66 = 691,861.48/x
  3. Step 3: Cross multiply
    993,011.56x = 1,488,333.66 × 691,861.48
  4. Step 4: Simplify right side
    993,011.56x = 1,029,720,728,741.42
  5. Step 5: Solve for x
    x = 1,029,720,728,741.42/993,011.56
  6. Step 6: Final answer
    x = 1,036,967.51

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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.