Home / 1,475,333.92-2,036,023.41-821,959.39

Finding the Fourth Proportional to 1,475,333.92, 2,036,023.41 and 821,959.39

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Solution

The fourth proportional to 1,475,333.92, 2,036,023.41 and 821,959.39 is: 1,134,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,333.92 : 2,036,023.41 = 821,959.39 : x
  2. Step 2: Convert to fraction form
    1,475,333.92/2,036,023.41 = 821,959.39/x
  3. Step 3: Cross multiply
    1,475,333.92x = 2,036,023.41 × 821,959.39
  4. Step 4: Simplify right side
    1,475,333.92x = 1,673,528,560,109.32
  5. Step 5: Solve for x
    x = 1,673,528,560,109.32/1,475,333.92
  6. Step 6: Final answer
    x = 1,134,338.84

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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.