Home / 984,722.80-1,477,667.40-717,811.60

Finding the Fourth Proportional to 984,722.80, 1,477,667.40 and 717,811.60

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Solution

The fourth proportional to 984,722.80, 1,477,667.40 and 717,811.60 is: 1,077,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,722.80 : 1,477,667.40 = 717,811.60 : x
  2. Step 2: Convert to fraction form
    984,722.80/1,477,667.40 = 717,811.60/x
  3. Step 3: Cross multiply
    984,722.80x = 1,477,667.40 × 717,811.60
  4. Step 4: Simplify right side
    984,722.80x = 1,060,686,800,661.84
  5. Step 5: Solve for x
    x = 1,060,686,800,661.84/984,722.80
  6. Step 6: Final answer
    x = 1,077,142.52

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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.