Home / 1,106,782.40-1,660,173.60-626,517.20

Finding the Fourth Proportional to 1,106,782.40, 1,660,173.60 and 626,517.20

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Solution

The fourth proportional to 1,106,782.40, 1,660,173.60 and 626,517.20 is: 939,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,782.40 : 1,660,173.60 = 626,517.20 : x
  2. Step 2: Convert to fraction form
    1,106,782.40/1,660,173.60 = 626,517.20/x
  3. Step 3: Cross multiply
    1,106,782.40x = 1,660,173.60 × 626,517.20
  4. Step 4: Simplify right side
    1,106,782.40x = 1,040,127,315,385.92
  5. Step 5: Solve for x
    x = 1,040,127,315,385.92/1,106,782.40
  6. Step 6: Final answer
    x = 939,775.80

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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.