Home / 1,122,586.99-1,683,111.90-402,912.73

Finding the Fourth Proportional to 1,122,586.99, 1,683,111.90 and 402,912.73

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Solution

The fourth proportional to 1,122,586.99, 1,683,111.90 and 402,912.73 is: 604,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,586.99 : 1,683,111.90 = 402,912.73 : x
  2. Step 2: Convert to fraction form
    1,122,586.99/1,683,111.90 = 402,912.73/x
  3. Step 3: Cross multiply
    1,122,586.99x = 1,683,111.90 × 402,912.73
  4. Step 4: Simplify right side
    1,122,586.99x = 678,147,202,108.93
  5. Step 5: Solve for x
    x = 678,147,202,108.93/1,122,586.99
  6. Step 6: Final answer
    x = 604,093.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.