Home / 1,405,331.23-2,107,681.34-646,443.85

Finding the Fourth Proportional to 1,405,331.23, 2,107,681.34 and 646,443.85

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Solution

The fourth proportional to 1,405,331.23, 2,107,681.34 and 646,443.85 is: 969,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,331.23 : 2,107,681.34 = 646,443.85 : x
  2. Step 2: Convert to fraction form
    1,405,331.23/2,107,681.34 = 646,443.85/x
  3. Step 3: Cross multiply
    1,405,331.23x = 2,107,681.34 × 646,443.85
  4. Step 4: Simplify right side
    1,405,331.23x = 1,362,497,629,464.35
  5. Step 5: Solve for x
    x = 1,362,497,629,464.35/1,405,331.23
  6. Step 6: Final answer
    x = 969,520.64

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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.