Home / 1,118,427.01-1,677,889.59-408,453.91

Finding the Fourth Proportional to 1,118,427.01, 1,677,889.59 and 408,453.91

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Solution

The fourth proportional to 1,118,427.01, 1,677,889.59 and 408,453.91 is: 612,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,427.01 : 1,677,889.59 = 408,453.91 : x
  2. Step 2: Convert to fraction form
    1,118,427.01/1,677,889.59 = 408,453.91/x
  3. Step 3: Cross multiply
    1,118,427.01x = 1,677,889.59 × 408,453.91
  4. Step 4: Simplify right side
    1,118,427.01x = 685,340,563,583.80
  5. Step 5: Solve for x
    x = 685,340,563,583.80/1,118,427.01
  6. Step 6: Final answer
    x = 612,771.83

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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.