Home / 1,087,000.20-1,629,852.30-666,577.80

Finding the Fourth Proportional to 1,087,000.20, 1,629,852.30 and 666,577.80

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Solution

The fourth proportional to 1,087,000.20, 1,629,852.30 and 666,577.80 is: 999,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,000.20 : 1,629,852.30 = 666,577.80 : x
  2. Step 2: Convert to fraction form
    1,087,000.20/1,629,852.30 = 666,577.80/x
  3. Step 3: Cross multiply
    1,087,000.20x = 1,629,852.30 × 666,577.80
  4. Step 4: Simplify right side
    1,087,000.20x = 1,086,423,360,458.94
  5. Step 5: Solve for x
    x = 1,086,423,360,458.94/1,087,000.20
  6. Step 6: Final answer
    x = 999,469.33

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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.