Home / 1,379,490.52-2,069,323.26-432,898.60

Finding the Fourth Proportional to 1,379,490.52, 2,069,323.26 and 432,898.60

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Solution

The fourth proportional to 1,379,490.52, 2,069,323.26 and 432,898.60 is: 649,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,490.52 : 2,069,323.26 = 432,898.60 : x
  2. Step 2: Convert to fraction form
    1,379,490.52/2,069,323.26 = 432,898.60/x
  3. Step 3: Cross multiply
    1,379,490.52x = 2,069,323.26 × 432,898.60
  4. Step 4: Simplify right side
    1,379,490.52x = 895,807,142,201.44
  5. Step 5: Solve for x
    x = 895,807,142,201.44/1,379,490.52
  6. Step 6: Final answer
    x = 649,375.35

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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.