Home / 1,445,378.16-1,994,637.88-800,808.50

Finding the Fourth Proportional to 1,445,378.16, 1,994,637.88 and 800,808.50

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Solution

The fourth proportional to 1,445,378.16, 1,994,637.88 and 800,808.50 is: 1,105,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,378.16 : 1,994,637.88 = 800,808.50 : x
  2. Step 2: Convert to fraction form
    1,445,378.16/1,994,637.88 = 800,808.50/x
  3. Step 3: Cross multiply
    1,445,378.16x = 1,994,637.88 × 800,808.50
  4. Step 4: Simplify right side
    1,445,378.16x = 1,597,322,968,725.98
  5. Step 5: Solve for x
    x = 1,597,322,968,725.98/1,445,378.16
  6. Step 6: Final answer
    x = 1,105,124.61

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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.