Home / 991,257.60-1,488,052.80-984,259.20

Finding the Fourth Proportional to 991,257.60, 1,488,052.80 and 984,259.20

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Solution

The fourth proportional to 991,257.60, 1,488,052.80 and 984,259.20 is: 1,477,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,257.60 : 1,488,052.80 = 984,259.20 : x
  2. Step 2: Convert to fraction form
    991,257.60/1,488,052.80 = 984,259.20/x
  3. Step 3: Cross multiply
    991,257.60x = 1,488,052.80 × 984,259.20
  4. Step 4: Simplify right side
    991,257.60x = 1,464,629,658,485.76
  5. Step 5: Solve for x
    x = 1,464,629,658,485.76/991,257.60
  6. Step 6: Final answer
    x = 1,477,546.97

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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.