Home / 1,259,542.80-1,888,620.84-860,634

Finding the Fourth Proportional to 1,259,542.80, 1,888,620.84 and 860,634

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Solution

The fourth proportional to 1,259,542.80, 1,888,620.84 and 860,634 is: 1,290,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,542.80 : 1,888,620.84 = 860,634 : x
  2. Step 2: Convert to fraction form
    1,259,542.80/1,888,620.84 = 860,634/x
  3. Step 3: Cross multiply
    1,259,542.80x = 1,888,620.84 × 860,634
  4. Step 4: Simplify right side
    1,259,542.80x = 1,625,411,308,012.56
  5. Step 5: Solve for x
    x = 1,625,411,308,012.56/1,259,542.80
  6. Step 6: Final answer
    x = 1,290,477.23

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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.