Home / 1,645,730.49-2,270,115-1,086,928.30

Finding the Fourth Proportional to 1,645,730.49, 2,270,115 and 1,086,928.30

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Solution

The fourth proportional to 1,645,730.49, 2,270,115 and 1,086,928.30 is: 1,499,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,730.49 : 2,270,115 = 1,086,928.30 : x
  2. Step 2: Convert to fraction form
    1,645,730.49/2,270,115 = 1,086,928.30/x
  3. Step 3: Cross multiply
    1,645,730.49x = 2,270,115 × 1,086,928.30
  4. Step 4: Simplify right side
    1,645,730.49x = 2,467,452,240,592.14
  5. Step 5: Solve for x
    x = 2,467,452,240,592.14/1,645,730.49
  6. Step 6: Final answer
    x = 1,499,305.17

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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.