Home / 1,245,152.70-1,867,729.05-1,134,927.90

Finding the Fourth Proportional to 1,245,152.70, 1,867,729.05 and 1,134,927.90

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Solution

The fourth proportional to 1,245,152.70, 1,867,729.05 and 1,134,927.90 is: 1,702,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,152.70 : 1,867,729.05 = 1,134,927.90 : x
  2. Step 2: Convert to fraction form
    1,245,152.70/1,867,729.05 = 1,134,927.90/x
  3. Step 3: Cross multiply
    1,245,152.70x = 1,867,729.05 × 1,134,927.90
  4. Step 4: Simplify right side
    1,245,152.70x = 2,119,737,808,485.50
  5. Step 5: Solve for x
    x = 2,119,737,808,485.50/1,245,152.70
  6. Step 6: Final answer
    x = 1,702,391.85

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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.