Home / 1,412,738.92-2,119,108.36-415,466.92

Finding the Fourth Proportional to 1,412,738.92, 2,119,108.36 and 415,466.92

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Solution

The fourth proportional to 1,412,738.92, 2,119,108.36 and 415,466.92 is: 623,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,738.92 : 2,119,108.36 = 415,466.92 : x
  2. Step 2: Convert to fraction form
    1,412,738.92/2,119,108.36 = 415,466.92/x
  3. Step 3: Cross multiply
    1,412,738.92x = 2,119,108.36 × 415,466.92
  4. Step 4: Simplify right side
    1,412,738.92x = 880,419,423,475.45
  5. Step 5: Solve for x
    x = 880,419,423,475.45/1,412,738.92
  6. Step 6: Final answer
    x = 623,200.37

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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.