Home / 1,379,346.70-2,069,022.45-432,790.06

Finding the Fourth Proportional to 1,379,346.70, 2,069,022.45 and 432,790.06

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Solution

The fourth proportional to 1,379,346.70, 2,069,022.45 and 432,790.06 is: 649,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,346.70 : 2,069,022.45 = 432,790.06 : x
  2. Step 2: Convert to fraction form
    1,379,346.70/2,069,022.45 = 432,790.06/x
  3. Step 3: Cross multiply
    1,379,346.70x = 2,069,022.45 × 432,790.06
  4. Step 4: Simplify right side
    1,379,346.70x = 895,452,350,276.85
  5. Step 5: Solve for x
    x = 895,452,350,276.85/1,379,346.70
  6. Step 6: Final answer
    x = 649,185.84

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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.