Home / 1,010,505.66-1,394,166.63-720,162.96

Finding the Fourth Proportional to 1,010,505.66, 1,394,166.63 and 720,162.96

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Solution

The fourth proportional to 1,010,505.66, 1,394,166.63 and 720,162.96 is: 993,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,505.66 : 1,394,166.63 = 720,162.96 : x
  2. Step 2: Convert to fraction form
    1,010,505.66/1,394,166.63 = 720,162.96/x
  3. Step 3: Cross multiply
    1,010,505.66x = 1,394,166.63 × 720,162.96
  4. Step 4: Simplify right side
    1,010,505.66x = 1,004,027,164,466.51
  5. Step 5: Solve for x
    x = 1,004,027,164,466.51/1,010,505.66
  6. Step 6: Final answer
    x = 993,588.86

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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.