Home / 2,805,761.58-4,209,252.88-860,491.22

Finding the Fourth Proportional to 2,805,761.58, 4,209,252.88 and 860,491.22

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Solution

The fourth proportional to 2,805,761.58, 4,209,252.88 and 860,491.22 is: 1,290,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,761.58 : 4,209,252.88 = 860,491.22 : x
  2. Step 2: Convert to fraction form
    2,805,761.58/4,209,252.88 = 860,491.22/x
  3. Step 3: Cross multiply
    2,805,761.58x = 4,209,252.88 × 860,491.22
  4. Step 4: Simplify right side
    2,805,761.58x = 3,622,025,145,999.71
  5. Step 5: Solve for x
    x = 3,622,025,145,999.71/2,805,761.58
  6. Step 6: Final answer
    x = 1,290,924.07

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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.