Home / 1,208,674.80-1,811,043.90-889,810.20

Finding the Fourth Proportional to 1,208,674.80, 1,811,043.90 and 889,810.20

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Solution

The fourth proportional to 1,208,674.80, 1,811,043.90 and 889,810.20 is: 1,333,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,674.80 : 1,811,043.90 = 889,810.20 : x
  2. Step 2: Convert to fraction form
    1,208,674.80/1,811,043.90 = 889,810.20/x
  3. Step 3: Cross multiply
    1,208,674.80x = 1,811,043.90 × 889,810.20
  4. Step 4: Simplify right side
    1,208,674.80x = 1,611,485,334,867.78
  5. Step 5: Solve for x
    x = 1,611,485,334,867.78/1,208,674.80
  6. Step 6: Final answer
    x = 1,333,266.26

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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.