Home / 1,070,691.32-1,606,369.62-644,696.12

Finding the Fourth Proportional to 1,070,691.32, 1,606,369.62 and 644,696.12

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Solution

The fourth proportional to 1,070,691.32, 1,606,369.62 and 644,696.12 is: 967,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,691.32 : 1,606,369.62 = 644,696.12 : x
  2. Step 2: Convert to fraction form
    1,070,691.32/1,606,369.62 = 644,696.12/x
  3. Step 3: Cross multiply
    1,070,691.32x = 1,606,369.62 × 644,696.12
  4. Step 4: Simplify right side
    1,070,691.32x = 1,035,620,261,299.87
  5. Step 5: Solve for x
    x = 1,035,620,261,299.87/1,070,691.32
  6. Step 6: Final answer
    x = 967,244.47

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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.