Home / 1,380,101.28-2,070,376.60-407,563.93

Finding the Fourth Proportional to 1,380,101.28, 2,070,376.60 and 407,563.93

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Solution

The fourth proportional to 1,380,101.28, 2,070,376.60 and 407,563.93 is: 611,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,101.28 : 2,070,376.60 = 407,563.93 : x
  2. Step 2: Convert to fraction form
    1,380,101.28/2,070,376.60 = 407,563.93/x
  3. Step 3: Cross multiply
    1,380,101.28x = 2,070,376.60 × 407,563.93
  4. Step 4: Simplify right side
    1,380,101.28x = 843,810,823,676.04
  5. Step 5: Solve for x
    x = 843,810,823,676.04/1,380,101.28
  6. Step 6: Final answer
    x = 611,412.25

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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.