Home / 1,255,590.97-1,733,084.29-820,074.90

Finding the Fourth Proportional to 1,255,590.97, 1,733,084.29 and 820,074.90

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Solution

The fourth proportional to 1,255,590.97, 1,733,084.29 and 820,074.90 is: 1,131,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,590.97 : 1,733,084.29 = 820,074.90 : x
  2. Step 2: Convert to fraction form
    1,255,590.97/1,733,084.29 = 820,074.90/x
  3. Step 3: Cross multiply
    1,255,590.97x = 1,733,084.29 × 820,074.90
  4. Step 4: Simplify right side
    1,255,590.97x = 1,421,258,920,339.35
  5. Step 5: Solve for x
    x = 1,421,258,920,339.35/1,255,590.97
  6. Step 6: Final answer
    x = 1,131,944.21

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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.