Home / 1,407,121.96-2,110,978.62-460,418.92

Finding the Fourth Proportional to 1,407,121.96, 2,110,978.62 and 460,418.92

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Solution

The fourth proportional to 1,407,121.96, 2,110,978.62 and 460,418.92 is: 690,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,121.96 : 2,110,978.62 = 460,418.92 : x
  2. Step 2: Convert to fraction form
    1,407,121.96/2,110,978.62 = 460,418.92/x
  3. Step 3: Cross multiply
    1,407,121.96x = 2,110,978.62 × 460,418.92
  4. Step 4: Simplify right side
    1,407,121.96x = 971,934,496,363.49
  5. Step 5: Solve for x
    x = 971,934,496,363.49/1,407,121.96
  6. Step 6: Final answer
    x = 690,725.13

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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.