Home / 1,237,121.95-1,707,270.32-1,180,434.91

Finding the Fourth Proportional to 1,237,121.95, 1,707,270.32 and 1,180,434.91

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Solution

The fourth proportional to 1,237,121.95, 1,707,270.32 and 1,180,434.91 is: 1,629,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,121.95 : 1,707,270.32 = 1,180,434.91 : x
  2. Step 2: Convert to fraction form
    1,237,121.95/1,707,270.32 = 1,180,434.91/x
  3. Step 3: Cross multiply
    1,237,121.95x = 1,707,270.32 × 1,180,434.91
  4. Step 4: Simplify right side
    1,237,121.95x = 2,015,321,486,534.87
  5. Step 5: Solve for x
    x = 2,015,321,486,534.87/1,237,121.95
  6. Step 6: Final answer
    x = 1,629,040.28

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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.