Home / 1,684,879.79-2,325,135.31-920,933.35

Finding the Fourth Proportional to 1,684,879.79, 2,325,135.31 and 920,933.35

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Solution

The fourth proportional to 1,684,879.79, 2,325,135.31 and 920,933.35 is: 1,270,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,879.79 : 2,325,135.31 = 920,933.35 : x
  2. Step 2: Convert to fraction form
    1,684,879.79/2,325,135.31 = 920,933.35/x
  3. Step 3: Cross multiply
    1,684,879.79x = 2,325,135.31 × 920,933.35
  4. Step 4: Simplify right side
    1,684,879.79x = 2,141,294,642,126.42
  5. Step 5: Solve for x
    x = 2,141,294,642,126.42/1,684,879.79
  6. Step 6: Final answer
    x = 1,270,888.68

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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.