Home / 790,625.72-1,186,410.98-726,307.96

Finding the Fourth Proportional to 790,625.72, 1,186,410.98 and 726,307.96

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Solution

The fourth proportional to 790,625.72, 1,186,410.98 and 726,307.96 is: 1,089,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,625.72 : 1,186,410.98 = 726,307.96 : x
  2. Step 2: Convert to fraction form
    790,625.72/1,186,410.98 = 726,307.96/x
  3. Step 3: Cross multiply
    790,625.72x = 1,186,410.98 × 726,307.96
  4. Step 4: Simplify right side
    790,625.72x = 861,699,738,605.40
  5. Step 5: Solve for x
    x = 861,699,738,605.40/790,625.72
  6. Step 6: Final answer
    x = 1,089,895.91

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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.