Home / 1,479,311.80-2,219,040.60-770,723.80

Finding the Fourth Proportional to 1,479,311.80, 2,219,040.60 and 770,723.80

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Solution

The fourth proportional to 1,479,311.80, 2,219,040.60 and 770,723.80 is: 1,156,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,311.80 : 2,219,040.60 = 770,723.80 : x
  2. Step 2: Convert to fraction form
    1,479,311.80/2,219,040.60 = 770,723.80/x
  3. Step 3: Cross multiply
    1,479,311.80x = 2,219,040.60 × 770,723.80
  4. Step 4: Simplify right side
    1,479,311.80x = 1,710,267,403,586.28
  5. Step 5: Solve for x
    x = 1,710,267,403,586.28/1,479,311.80
  6. Step 6: Final answer
    x = 1,156,123.68

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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.