Home / 1,192,108.80-1,788,163.20-518,075.40

Finding the Fourth Proportional to 1,192,108.80, 1,788,163.20 and 518,075.40

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Solution

The fourth proportional to 1,192,108.80, 1,788,163.20 and 518,075.40 is: 777,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,108.80 : 1,788,163.20 = 518,075.40 : x
  2. Step 2: Convert to fraction form
    1,192,108.80/1,788,163.20 = 518,075.40/x
  3. Step 3: Cross multiply
    1,192,108.80x = 1,788,163.20 × 518,075.40
  4. Step 4: Simplify right side
    1,192,108.80x = 926,403,365,105.28
  5. Step 5: Solve for x
    x = 926,403,365,105.28/1,192,108.80
  6. Step 6: Final answer
    x = 777,113.10

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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.