Home / 856,028.67-1,178,630.80-726,699.06

Finding the Fourth Proportional to 856,028.67, 1,178,630.80 and 726,699.06

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Solution

The fourth proportional to 856,028.67, 1,178,630.80 and 726,699.06 is: 1,000,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,028.67 : 1,178,630.80 = 726,699.06 : x
  2. Step 2: Convert to fraction form
    856,028.67/1,178,630.80 = 726,699.06/x
  3. Step 3: Cross multiply
    856,028.67x = 1,178,630.80 × 726,699.06
  4. Step 4: Simplify right side
    856,028.67x = 856,509,892,630.30
  5. Step 5: Solve for x
    x = 856,509,892,630.30/856,028.67
  6. Step 6: Final answer
    x = 1,000,562.16

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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.