Home / 1,379,339.73-2,069,007.57-432,784.26

Finding the Fourth Proportional to 1,379,339.73, 2,069,007.57 and 432,784.26

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Solution

The fourth proportional to 1,379,339.73, 2,069,007.57 and 432,784.26 is: 649,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,339.73 : 2,069,007.57 = 432,784.26 : x
  2. Step 2: Convert to fraction form
    1,379,339.73/2,069,007.57 = 432,784.26/x
  3. Step 3: Cross multiply
    1,379,339.73x = 2,069,007.57 × 432,784.26
  4. Step 4: Simplify right side
    1,379,339.73x = 895,433,910,116.85
  5. Step 5: Solve for x
    x = 895,433,910,116.85/1,379,339.73
  6. Step 6: Final answer
    x = 649,175.75

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Double scale
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1.5x scale

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.