Home / 1,419,798.12-1,959,306.54-775,216.32

Finding the Fourth Proportional to 1,419,798.12, 1,959,306.54 and 775,216.32

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Solution

The fourth proportional to 1,419,798.12, 1,959,306.54 and 775,216.32 is: 1,069,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,798.12 : 1,959,306.54 = 775,216.32 : x
  2. Step 2: Convert to fraction form
    1,419,798.12/1,959,306.54 = 775,216.32/x
  3. Step 3: Cross multiply
    1,419,798.12x = 1,959,306.54 × 775,216.32
  4. Step 4: Simplify right side
    1,419,798.12x = 1,518,886,405,690.73
  5. Step 5: Solve for x
    x = 1,518,886,405,690.73/1,419,798.12
  6. Step 6: Final answer
    x = 1,069,790.40

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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.