Home / 1,210,683.76-1,670,861.57-904,228.06

Finding the Fourth Proportional to 1,210,683.76, 1,670,861.57 and 904,228.06

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Solution

The fourth proportional to 1,210,683.76, 1,670,861.57 and 904,228.06 is: 1,247,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,683.76 : 1,670,861.57 = 904,228.06 : x
  2. Step 2: Convert to fraction form
    1,210,683.76/1,670,861.57 = 904,228.06/x
  3. Step 3: Cross multiply
    1,210,683.76x = 1,670,861.57 × 904,228.06
  4. Step 4: Simplify right side
    1,210,683.76x = 1,510,839,915,969.65
  5. Step 5: Solve for x
    x = 1,510,839,915,969.65/1,210,683.76
  6. Step 6: Final answer
    x = 1,247,922.84

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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.