Home / 1,684,565.80-2,324,695.62-920,619.36

Finding the Fourth Proportional to 1,684,565.80, 2,324,695.62 and 920,619.36

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Solution

The fourth proportional to 1,684,565.80, 2,324,695.62 and 920,619.36 is: 1,270,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,565.80 : 2,324,695.62 = 920,619.36 : x
  2. Step 2: Convert to fraction form
    1,684,565.80/2,324,695.62 = 920,619.36/x
  3. Step 3: Cross multiply
    1,684,565.80x = 2,324,695.62 × 920,619.36
  4. Step 4: Simplify right side
    1,684,565.80x = 2,140,159,793,879.20
  5. Step 5: Solve for x
    x = 2,140,159,793,879.20/1,684,565.80
  6. Step 6: Final answer
    x = 1,270,451.88

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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.