Home / 1,326,643.20-1,989,964.80-367,096.95

Finding the Fourth Proportional to 1,326,643.20, 1,989,964.80 and 367,096.95

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Solution

The fourth proportional to 1,326,643.20, 1,989,964.80 and 367,096.95 is: 550,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,643.20 : 1,989,964.80 = 367,096.95 : x
  2. Step 2: Convert to fraction form
    1,326,643.20/1,989,964.80 = 367,096.95/x
  3. Step 3: Cross multiply
    1,326,643.20x = 1,989,964.80 × 367,096.95
  4. Step 4: Simplify right side
    1,326,643.20x = 730,510,008,687.36
  5. Step 5: Solve for x
    x = 730,510,008,687.36/1,326,643.20
  6. Step 6: Final answer
    x = 550,645.43

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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.