Home / 899,135.16-1,342,143.82-785,631.88

Finding the Fourth Proportional to 899,135.16, 1,342,143.82 and 785,631.88

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Solution

The fourth proportional to 899,135.16, 1,342,143.82 and 785,631.88 is: 1,172,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,135.16 : 1,342,143.82 = 785,631.88 : x
  2. Step 2: Convert to fraction form
    899,135.16/1,342,143.82 = 785,631.88/x
  3. Step 3: Cross multiply
    899,135.16x = 1,342,143.82 × 785,631.88
  4. Step 4: Simplify right side
    899,135.16x = 1,054,430,972,536.98
  5. Step 5: Solve for x
    x = 1,054,430,972,536.98/899,135.16
  6. Step 6: Final answer
    x = 1,172,716.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.