Home / 1,292,718.96-1,783,040.04-1,120,325.04

Finding the Fourth Proportional to 1,292,718.96, 1,783,040.04 and 1,120,325.04

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Solution

The fourth proportional to 1,292,718.96, 1,783,040.04 and 1,120,325.04 is: 1,545,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,718.96 : 1,783,040.04 = 1,120,325.04 : x
  2. Step 2: Convert to fraction form
    1,292,718.96/1,783,040.04 = 1,120,325.04/x
  3. Step 3: Cross multiply
    1,292,718.96x = 1,783,040.04 × 1,120,325.04
  4. Step 4: Simplify right side
    1,292,718.96x = 1,997,584,404,134.60
  5. Step 5: Solve for x
    x = 1,997,584,404,134.60/1,292,718.96
  6. Step 6: Final answer
    x = 1,545,258.07

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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.