Home / 1,488,678-2,054,375.64-809,629.08

Finding the Fourth Proportional to 1,488,678, 2,054,375.64 and 809,629.08

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Solution

The fourth proportional to 1,488,678, 2,054,375.64 and 809,629.08 is: 1,117,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,678 : 2,054,375.64 = 809,629.08 : x
  2. Step 2: Convert to fraction form
    1,488,678/2,054,375.64 = 809,629.08/x
  3. Step 3: Cross multiply
    1,488,678x = 2,054,375.64 × 809,629.08
  4. Step 4: Simplify right side
    1,488,678x = 1,663,282,259,387.61
  5. Step 5: Solve for x
    x = 1,663,282,259,387.61/1,488,678
  6. Step 6: Final answer
    x = 1,117,288.13

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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.