Home / 1,379,517.05-1,903,899.26-835,636.88

Finding the Fourth Proportional to 1,379,517.05, 1,903,899.26 and 835,636.88

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Solution

The fourth proportional to 1,379,517.05, 1,903,899.26 and 835,636.88 is: 1,153,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,517.05 : 1,903,899.26 = 835,636.88 : x
  2. Step 2: Convert to fraction form
    1,379,517.05/1,903,899.26 = 835,636.88/x
  3. Step 3: Cross multiply
    1,379,517.05x = 1,903,899.26 × 835,636.88
  4. Step 4: Simplify right side
    1,379,517.05x = 1,590,968,437,460.71
  5. Step 5: Solve for x
    x = 1,590,968,437,460.71/1,379,517.05
  6. Step 6: Final answer
    x = 1,153,279.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.