Home / 1,555,063.94-2,145,998.20-866,779.44

Finding the Fourth Proportional to 1,555,063.94, 2,145,998.20 and 866,779.44

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Solution

The fourth proportional to 1,555,063.94, 2,145,998.20 and 866,779.44 is: 1,196,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,063.94 : 2,145,998.20 = 866,779.44 : x
  2. Step 2: Convert to fraction form
    1,555,063.94/2,145,998.20 = 866,779.44/x
  3. Step 3: Cross multiply
    1,555,063.94x = 2,145,998.20 × 866,779.44
  4. Step 4: Simplify right side
    1,555,063.94x = 1,860,107,118,037.01
  5. Step 5: Solve for x
    x = 1,860,107,118,037.01/1,555,063.94
  6. Step 6: Final answer
    x = 1,196,161.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.