Home / 1,424,005.74-2,135,676.36-412,856.32

Finding the Fourth Proportional to 1,424,005.74, 2,135,676.36 and 412,856.32

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Solution

The fourth proportional to 1,424,005.74, 2,135,676.36 and 412,856.32 is: 619,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,005.74 : 2,135,676.36 = 412,856.32 : x
  2. Step 2: Convert to fraction form
    1,424,005.74/2,135,676.36 = 412,856.32/x
  3. Step 3: Cross multiply
    1,424,005.74x = 2,135,676.36 × 412,856.32
  4. Step 4: Simplify right side
    1,424,005.74x = 881,727,482,700.60
  5. Step 5: Solve for x
    x = 881,727,482,700.60/1,424,005.74
  6. Step 6: Final answer
    x = 619,188.15

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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.