Home / 1,639,121.52-2,262,015.56-904,160.12

Finding the Fourth Proportional to 1,639,121.52, 2,262,015.56 and 904,160.12

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Solution

The fourth proportional to 1,639,121.52, 2,262,015.56 and 904,160.12 is: 1,247,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,121.52 : 2,262,015.56 = 904,160.12 : x
  2. Step 2: Convert to fraction form
    1,639,121.52/2,262,015.56 = 904,160.12/x
  3. Step 3: Cross multiply
    1,639,121.52x = 2,262,015.56 × 904,160.12
  4. Step 4: Simplify right side
    1,639,121.52x = 2,045,224,255,650.67
  5. Step 5: Solve for x
    x = 2,045,224,255,650.67/1,639,121.52
  6. Step 6: Final answer
    x = 1,247,756.33

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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.