Home / 1,283,999.24-1,926,290.70-684,644.36

Finding the Fourth Proportional to 1,283,999.24, 1,926,290.70 and 684,644.36

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Solution

The fourth proportional to 1,283,999.24, 1,926,290.70 and 684,644.36 is: 1,027,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,999.24 : 1,926,290.70 = 684,644.36 : x
  2. Step 2: Convert to fraction form
    1,283,999.24/1,926,290.70 = 684,644.36/x
  3. Step 3: Cross multiply
    1,283,999.24x = 1,926,290.70 × 684,644.36
  4. Step 4: Simplify right side
    1,283,999.24x = 1,318,824,063,475.45
  5. Step 5: Solve for x
    x = 1,318,824,063,475.45/1,283,999.24
  6. Step 6: Final answer
    x = 1,027,122.15

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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.