Home / 1,510,438.11-2,084,413.29-822,108.36

Finding the Fourth Proportional to 1,510,438.11, 2,084,413.29 and 822,108.36

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Solution

The fourth proportional to 1,510,438.11, 2,084,413.29 and 822,108.36 is: 1,134,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,438.11 : 2,084,413.29 = 822,108.36 : x
  2. Step 2: Convert to fraction form
    1,510,438.11/2,084,413.29 = 822,108.36/x
  3. Step 3: Cross multiply
    1,510,438.11x = 2,084,413.29 × 822,108.36
  4. Step 4: Simplify right side
    1,510,438.11x = 1,713,613,591,404.10
  5. Step 5: Solve for x
    x = 1,713,613,591,404.10/1,510,438.11
  6. Step 6: Final answer
    x = 1,134,514.27

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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.