Home / 1,158,672.90-1,738,009.35-1,111,433.70

Finding the Fourth Proportional to 1,158,672.90, 1,738,009.35 and 1,111,433.70

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Solution

The fourth proportional to 1,158,672.90, 1,738,009.35 and 1,111,433.70 is: 1,667,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,672.90 : 1,738,009.35 = 1,111,433.70 : x
  2. Step 2: Convert to fraction form
    1,158,672.90/1,738,009.35 = 1,111,433.70/x
  3. Step 3: Cross multiply
    1,158,672.90x = 1,738,009.35 × 1,111,433.70
  4. Step 4: Simplify right side
    1,158,672.90x = 1,931,682,162,505.10
  5. Step 5: Solve for x
    x = 1,931,682,162,505.10/1,158,672.90
  6. Step 6: Final answer
    x = 1,667,150.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.