Home / 1,445,376.15-1,994,635.13-800,806.50

Finding the Fourth Proportional to 1,445,376.15, 1,994,635.13 and 800,806.50

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Solution

The fourth proportional to 1,445,376.15, 1,994,635.13 and 800,806.50 is: 1,105,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,376.15 : 1,994,635.13 = 800,806.50 : x
  2. Step 2: Convert to fraction form
    1,445,376.15/1,994,635.13 = 800,806.50/x
  3. Step 3: Cross multiply
    1,445,376.15x = 1,994,635.13 × 800,806.50
  4. Step 4: Simplify right side
    1,445,376.15x = 1,597,316,773,228.31
  5. Step 5: Solve for x
    x = 1,597,316,773,228.31/1,445,376.15
  6. Step 6: Final answer
    x = 1,105,121.86

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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.