Home / 1,394,155.20-2,091,189.60-396,883.20

Finding the Fourth Proportional to 1,394,155.20, 2,091,189.60 and 396,883.20

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Solution

The fourth proportional to 1,394,155.20, 2,091,189.60 and 396,883.20 is: 595,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,155.20 : 2,091,189.60 = 396,883.20 : x
  2. Step 2: Convert to fraction form
    1,394,155.20/2,091,189.60 = 396,883.20/x
  3. Step 3: Cross multiply
    1,394,155.20x = 2,091,189.60 × 396,883.20
  4. Step 4: Simplify right side
    1,394,155.20x = 829,958,020,254.72
  5. Step 5: Solve for x
    x = 829,958,020,254.72/1,394,155.20
  6. Step 6: Final answer
    x = 595,312.50

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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.