Home / 1,345,840.80-2,019,862.80-1,335,343.20

Finding the Fourth Proportional to 1,345,840.80, 2,019,862.80 and 1,335,343.20

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Solution

The fourth proportional to 1,345,840.80, 2,019,862.80 and 1,335,343.20 is: 2,004,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,840.80 : 2,019,862.80 = 1,335,343.20 : x
  2. Step 2: Convert to fraction form
    1,345,840.80/2,019,862.80 = 1,335,343.20/x
  3. Step 3: Cross multiply
    1,345,840.80x = 2,019,862.80 × 1,335,343.20
  4. Step 4: Simplify right side
    1,345,840.80x = 2,697,210,054,912.96
  5. Step 5: Solve for x
    x = 2,697,210,054,912.96/1,345,840.80
  6. Step 6: Final answer
    x = 2,004,107.81

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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.