Home / 1,605,339.45-2,215,259.19-880,037.30

Finding the Fourth Proportional to 1,605,339.45, 2,215,259.19 and 880,037.30

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Solution

The fourth proportional to 1,605,339.45, 2,215,259.19 and 880,037.30 is: 1,214,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,339.45 : 2,215,259.19 = 880,037.30 : x
  2. Step 2: Convert to fraction form
    1,605,339.45/2,215,259.19 = 880,037.30/x
  3. Step 3: Cross multiply
    1,605,339.45x = 2,215,259.19 × 880,037.30
  4. Step 4: Simplify right side
    1,605,339.45x = 1,949,510,716,367.79
  5. Step 5: Solve for x
    x = 1,949,510,716,367.79/1,605,339.45
  6. Step 6: Final answer
    x = 1,214,391.58

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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.