Home / 1,383,583.15-1,909,262.50-802,761.31

Finding the Fourth Proportional to 1,383,583.15, 1,909,262.50 and 802,761.31

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Solution

The fourth proportional to 1,383,583.15, 1,909,262.50 and 802,761.31 is: 1,107,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,583.15 : 1,909,262.50 = 802,761.31 : x
  2. Step 2: Convert to fraction form
    1,383,583.15/1,909,262.50 = 802,761.31/x
  3. Step 3: Cross multiply
    1,383,583.15x = 1,909,262.50 × 802,761.31
  4. Step 4: Simplify right side
    1,383,583.15x = 1,532,682,065,633.88
  5. Step 5: Solve for x
    x = 1,532,682,065,633.88/1,383,583.15
  6. Step 6: Final answer
    x = 1,107,762.89

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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.