Home / 1,379,484.36-2,069,314-432,892.44

Finding the Fourth Proportional to 1,379,484.36, 2,069,314 and 432,892.44

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Solution

The fourth proportional to 1,379,484.36, 2,069,314 and 432,892.44 is: 649,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,484.36 : 2,069,314 = 432,892.44 : x
  2. Step 2: Convert to fraction form
    1,379,484.36/2,069,314 = 432,892.44/x
  3. Step 3: Cross multiply
    1,379,484.36x = 2,069,314 × 432,892.44
  4. Step 4: Simplify right side
    1,379,484.36x = 895,790,386,586.16
  5. Step 5: Solve for x
    x = 895,790,386,586.16/1,379,484.36
  6. Step 6: Final answer
    x = 649,366.11

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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.