Home / 1,106,739.40-1,660,109.10-626,474.20

Finding the Fourth Proportional to 1,106,739.40, 1,660,109.10 and 626,474.20

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Solution

The fourth proportional to 1,106,739.40, 1,660,109.10 and 626,474.20 is: 939,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,739.40 : 1,660,109.10 = 626,474.20 : x
  2. Step 2: Convert to fraction form
    1,106,739.40/1,660,109.10 = 626,474.20/x
  3. Step 3: Cross multiply
    1,106,739.40x = 1,660,109.10 × 626,474.20
  4. Step 4: Simplify right side
    1,106,739.40x = 1,040,015,520,335.22
  5. Step 5: Solve for x
    x = 1,040,015,520,335.22/1,106,739.40
  6. Step 6: Final answer
    x = 939,711.30

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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.