Home / 1,297,220.94-1,937,314.53-1,105,639.74

Finding the Fourth Proportional to 1,297,220.94, 1,937,314.53 and 1,105,639.74

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Solution

The fourth proportional to 1,297,220.94, 1,937,314.53 and 1,105,639.74 is: 1,651,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,220.94 : 1,937,314.53 = 1,105,639.74 : x
  2. Step 2: Convert to fraction form
    1,297,220.94/1,937,314.53 = 1,105,639.74/x
  3. Step 3: Cross multiply
    1,297,220.94x = 1,937,314.53 × 1,105,639.74
  4. Step 4: Simplify right side
    1,297,220.94x = 2,141,971,933,247.42
  5. Step 5: Solve for x
    x = 2,141,971,933,247.42/1,297,220.94
  6. Step 6: Final answer
    x = 1,651,200.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.