Home / 1,645,733.70-2,270,119.42-1,086,931.51

Finding the Fourth Proportional to 1,645,733.70, 2,270,119.42 and 1,086,931.51

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Solution

The fourth proportional to 1,645,733.70, 2,270,119.42 and 1,086,931.51 is: 1,499,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,733.70 : 2,270,119.42 = 1,086,931.51 : x
  2. Step 2: Convert to fraction form
    1,645,733.70/2,270,119.42 = 1,086,931.51/x
  3. Step 3: Cross multiply
    1,645,733.70x = 2,270,119.42 × 1,086,931.51
  4. Step 4: Simplify right side
    1,645,733.70x = 2,467,464,329,060.92
  5. Step 5: Solve for x
    x = 2,467,464,329,060.92/1,645,733.70
  6. Step 6: Final answer
    x = 1,499,309.60

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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.