Home / 1,379,467.70-2,069,266.35-432,869.30

Finding the Fourth Proportional to 1,379,467.70, 2,069,266.35 and 432,869.30

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Solution

The fourth proportional to 1,379,467.70, 2,069,266.35 and 432,869.30 is: 649,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,467.70 : 2,069,266.35 = 432,869.30 : x
  2. Step 2: Convert to fraction form
    1,379,467.70/2,069,266.35 = 432,869.30/x
  3. Step 3: Cross multiply
    1,379,467.70x = 2,069,266.35 × 432,869.30
  4. Step 4: Simplify right side
    1,379,467.70x = 895,721,876,438.06
  5. Step 5: Solve for x
    x = 895,721,876,438.06/1,379,467.70
  6. Step 6: Final answer
    x = 649,324.28

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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.