Home / 1,405,442.16-2,108,124.96-394,572.48

Finding the Fourth Proportional to 1,405,442.16, 2,108,124.96 and 394,572.48

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Solution

The fourth proportional to 1,405,442.16, 2,108,124.96 and 394,572.48 is: 591,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,442.16 : 2,108,124.96 = 394,572.48 : x
  2. Step 2: Convert to fraction form
    1,405,442.16/2,108,124.96 = 394,572.48/x
  3. Step 3: Cross multiply
    1,405,442.16x = 2,108,124.96 × 394,572.48
  4. Step 4: Simplify right side
    1,405,442.16x = 831,808,093,617.10
  5. Step 5: Solve for x
    x = 831,808,093,617.10/1,405,442.16
  6. Step 6: Final answer
    x = 591,847.97

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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.