Home / 1,635,586.20-2,453,379.30-638,314.20

Finding the Fourth Proportional to 1,635,586.20, 2,453,379.30 and 638,314.20

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Solution

The fourth proportional to 1,635,586.20, 2,453,379.30 and 638,314.20 is: 957,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,586.20 : 2,453,379.30 = 638,314.20 : x
  2. Step 2: Convert to fraction form
    1,635,586.20/2,453,379.30 = 638,314.20/x
  3. Step 3: Cross multiply
    1,635,586.20x = 2,453,379.30 × 638,314.20
  4. Step 4: Simplify right side
    1,635,586.20x = 1,566,026,845,176.06
  5. Step 5: Solve for x
    x = 1,566,026,845,176.06/1,635,586.20
  6. Step 6: Final answer
    x = 957,471.30

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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.