Home / 1,447,463.88-2,171,288.76-382,478.72

Finding the Fourth Proportional to 1,447,463.88, 2,171,288.76 and 382,478.72

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Solution

The fourth proportional to 1,447,463.88, 2,171,288.76 and 382,478.72 is: 573,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,463.88 : 2,171,288.76 = 382,478.72 : x
  2. Step 2: Convert to fraction form
    1,447,463.88/2,171,288.76 = 382,478.72/x
  3. Step 3: Cross multiply
    1,447,463.88x = 2,171,288.76 × 382,478.72
  4. Step 4: Simplify right side
    1,447,463.88x = 830,471,745,675.19
  5. Step 5: Solve for x
    x = 830,471,745,675.19/1,447,463.88
  6. Step 6: Final answer
    x = 573,742.64

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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.