Home / 1,293,955.20-1,941,224.40-395,438.40

Finding the Fourth Proportional to 1,293,955.20, 1,941,224.40 and 395,438.40

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Solution

The fourth proportional to 1,293,955.20, 1,941,224.40 and 395,438.40 is: 593,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,955.20 : 1,941,224.40 = 395,438.40 : x
  2. Step 2: Convert to fraction form
    1,293,955.20/1,941,224.40 = 395,438.40/x
  3. Step 3: Cross multiply
    1,293,955.20x = 1,941,224.40 × 395,438.40
  4. Step 4: Simplify right side
    1,293,955.20x = 767,634,670,776.96
  5. Step 5: Solve for x
    x = 767,634,670,776.96/1,293,955.20
  6. Step 6: Final answer
    x = 593,246.71

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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.