Home / 1,605,338.45-2,215,257.81-880,036.30

Finding the Fourth Proportional to 1,605,338.45, 2,215,257.81 and 880,036.30

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Solution

The fourth proportional to 1,605,338.45, 2,215,257.81 and 880,036.30 is: 1,214,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,338.45 : 2,215,257.81 = 880,036.30 : x
  2. Step 2: Convert to fraction form
    1,605,338.45/2,215,257.81 = 880,036.30/x
  3. Step 3: Cross multiply
    1,605,338.45x = 2,215,257.81 × 880,036.30
  4. Step 4: Simplify right side
    1,605,338.45x = 1,949,507,275,582.21
  5. Step 5: Solve for x
    x = 1,949,507,275,582.21/1,605,338.45
  6. Step 6: Final answer
    x = 1,214,390.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.