Home / 1,509,508.31-2,083,135.01-821,195.19

Finding the Fourth Proportional to 1,509,508.31, 2,083,135.01 and 821,195.19

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Solution

The fourth proportional to 1,509,508.31, 2,083,135.01 and 821,195.19 is: 1,133,256.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,508.31 : 2,083,135.01 = 821,195.19 : x
  2. Step 2: Convert to fraction form
    1,509,508.31/2,083,135.01 = 821,195.19/x
  3. Step 3: Cross multiply
    1,509,508.31x = 2,083,135.01 × 821,195.19
  4. Step 4: Simplify right side
    1,509,508.31x = 1,710,660,446,226.63
  5. Step 5: Solve for x
    x = 1,710,660,446,226.63/1,509,508.31
  6. Step 6: Final answer
    x = 1,133,256.73

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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.