Home / 1,447,269.12-2,171,007.60-382,300.80

Finding the Fourth Proportional to 1,447,269.12, 2,171,007.60 and 382,300.80

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Solution

The fourth proportional to 1,447,269.12, 2,171,007.60 and 382,300.80 is: 573,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,269.12 : 2,171,007.60 = 382,300.80 : x
  2. Step 2: Convert to fraction form
    1,447,269.12/2,171,007.60 = 382,300.80/x
  3. Step 3: Cross multiply
    1,447,269.12x = 2,171,007.60 × 382,300.80
  4. Step 4: Simplify right side
    1,447,269.12x = 829,977,942,286.08
  5. Step 5: Solve for x
    x = 829,977,942,286.08/1,447,269.12
  6. Step 6: Final answer
    x = 573,478.65

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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.