Home / 1,419,612.30-2,128,640.85-577,212.30

Finding the Fourth Proportional to 1,419,612.30, 2,128,640.85 and 577,212.30

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Solution

The fourth proportional to 1,419,612.30, 2,128,640.85 and 577,212.30 is: 865,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,612.30 : 2,128,640.85 = 577,212.30 : x
  2. Step 2: Convert to fraction form
    1,419,612.30/2,128,640.85 = 577,212.30/x
  3. Step 3: Cross multiply
    1,419,612.30x = 2,128,640.85 × 577,212.30
  4. Step 4: Simplify right side
    1,419,612.30x = 1,228,677,680,902.46
  5. Step 5: Solve for x
    x = 1,228,677,680,902.46/1,419,612.30
  6. Step 6: Final answer
    x = 865,502.28

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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.