Home / 1,380,100.08-2,070,374.82-407,562.74

Finding the Fourth Proportional to 1,380,100.08, 2,070,374.82 and 407,562.74

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Solution

The fourth proportional to 1,380,100.08, 2,070,374.82 and 407,562.74 is: 611,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,100.08 : 2,070,374.82 = 407,562.74 : x
  2. Step 2: Convert to fraction form
    1,380,100.08/2,070,374.82 = 407,562.74/x
  3. Step 3: Cross multiply
    1,380,100.08x = 2,070,374.82 × 407,562.74
  4. Step 4: Simplify right side
    1,380,100.08x = 843,807,630,779.73
  5. Step 5: Solve for x
    x = 843,807,630,779.73/1,380,100.08
  6. Step 6: Final answer
    x = 611,410.46

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1.5x scale

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.