Home / 1,639,393.12-2,262,260.09-904,355.89

Finding the Fourth Proportional to 1,639,393.12, 2,262,260.09 and 904,355.89

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Solution

The fourth proportional to 1,639,393.12, 2,262,260.09 and 904,355.89 is: 1,247,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,393.12 : 2,262,260.09 = 904,355.89 : x
  2. Step 2: Convert to fraction form
    1,639,393.12/2,262,260.09 = 904,355.89/x
  3. Step 3: Cross multiply
    1,639,393.12x = 2,262,260.09 × 904,355.89
  4. Step 4: Simplify right side
    1,639,393.12x = 2,045,888,237,103.43
  5. Step 5: Solve for x
    x = 2,045,888,237,103.43/1,639,393.12
  6. Step 6: Final answer
    x = 1,247,954.63

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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.