Home / 1,447,526.80-2,171,290.20-999,629.20

Finding the Fourth Proportional to 1,447,526.80, 2,171,290.20 and 999,629.20

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Solution

The fourth proportional to 1,447,526.80, 2,171,290.20 and 999,629.20 is: 1,499,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,526.80 : 2,171,290.20 = 999,629.20 : x
  2. Step 2: Convert to fraction form
    1,447,526.80/2,171,290.20 = 999,629.20/x
  3. Step 3: Cross multiply
    1,447,526.80x = 2,171,290.20 × 999,629.20
  4. Step 4: Simplify right side
    1,447,526.80x = 2,170,485,085,593.84
  5. Step 5: Solve for x
    x = 2,170,485,085,593.84/1,447,526.80
  6. Step 6: Final answer
    x = 1,499,443.80

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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.