Home / 1,334,433.60-1,998,928.80-827,438.40

Finding the Fourth Proportional to 1,334,433.60, 1,998,928.80 and 827,438.40

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Solution

The fourth proportional to 1,334,433.60, 1,998,928.80 and 827,438.40 is: 1,239,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,433.60 : 1,998,928.80 = 827,438.40 : x
  2. Step 2: Convert to fraction form
    1,334,433.60/1,998,928.80 = 827,438.40/x
  3. Step 3: Cross multiply
    1,334,433.60x = 1,998,928.80 × 827,438.40
  4. Step 4: Simplify right side
    1,334,433.60x = 1,653,990,447,985.92
  5. Step 5: Solve for x
    x = 1,653,990,447,985.92/1,334,433.60
  6. Step 6: Final answer
    x = 1,239,470.03

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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.