Home / 1,370,244.87-1,890,780.17-789,552.63

Finding the Fourth Proportional to 1,370,244.87, 1,890,780.17 and 789,552.63

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Solution

The fourth proportional to 1,370,244.87, 1,890,780.17 and 789,552.63 is: 1,089,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,244.87 : 1,890,780.17 = 789,552.63 : x
  2. Step 2: Convert to fraction form
    1,370,244.87/1,890,780.17 = 789,552.63/x
  3. Step 3: Cross multiply
    1,370,244.87x = 1,890,780.17 × 789,552.63
  4. Step 4: Simplify right side
    1,370,244.87x = 1,492,870,452,027.58
  5. Step 5: Solve for x
    x = 1,492,870,452,027.58/1,370,244.87
  6. Step 6: Final answer
    x = 1,089,491.73

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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.