Home / 943,632.80-1,415,449.20-733,421.60

Finding the Fourth Proportional to 943,632.80, 1,415,449.20 and 733,421.60

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Solution

The fourth proportional to 943,632.80, 1,415,449.20 and 733,421.60 is: 1,100,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,632.80 : 1,415,449.20 = 733,421.60 : x
  2. Step 2: Convert to fraction form
    943,632.80/1,415,449.20 = 733,421.60/x
  3. Step 3: Cross multiply
    943,632.80x = 1,415,449.20 × 733,421.60
  4. Step 4: Simplify right side
    943,632.80x = 1,038,121,016,982.72
  5. Step 5: Solve for x
    x = 1,038,121,016,982.72/943,632.80
  6. Step 6: Final answer
    x = 1,100,132.40

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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.