Home / 1,791,902.40-2,686,816.80-670,084.80

Finding the Fourth Proportional to 1,791,902.40, 2,686,816.80 and 670,084.80

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Solution

The fourth proportional to 1,791,902.40, 2,686,816.80 and 670,084.80 is: 1,004,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,902.40 : 2,686,816.80 = 670,084.80 : x
  2. Step 2: Convert to fraction form
    1,791,902.40/2,686,816.80 = 670,084.80/x
  3. Step 3: Cross multiply
    1,791,902.40x = 2,686,816.80 × 670,084.80
  4. Step 4: Simplify right side
    1,791,902.40x = 1,800,395,098,064.64
  5. Step 5: Solve for x
    x = 1,800,395,098,064.64/1,791,902.40
  6. Step 6: Final answer
    x = 1,004,739.49

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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.