Home / 1,020,814.30-1,407,936.87-633,858.83

Finding the Fourth Proportional to 1,020,814.30, 1,407,936.87 and 633,858.83

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Solution

The fourth proportional to 1,020,814.30, 1,407,936.87 and 633,858.83 is: 874,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,814.30 : 1,407,936.87 = 633,858.83 : x
  2. Step 2: Convert to fraction form
    1,020,814.30/1,407,936.87 = 633,858.83/x
  3. Step 3: Cross multiply
    1,020,814.30x = 1,407,936.87 × 633,858.83
  4. Step 4: Simplify right side
    1,020,814.30x = 892,433,210,092.38
  5. Step 5: Solve for x
    x = 892,433,210,092.38/1,020,814.30
  6. Step 6: Final answer
    x = 874,236.59

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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.