Home / 1,020,563.55-1,530,783.82-451,778.16

Finding the Fourth Proportional to 1,020,563.55, 1,530,783.82 and 451,778.16

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Solution

The fourth proportional to 1,020,563.55, 1,530,783.82 and 451,778.16 is: 677,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,563.55 : 1,530,783.82 = 451,778.16 : x
  2. Step 2: Convert to fraction form
    1,020,563.55/1,530,783.82 = 451,778.16/x
  3. Step 3: Cross multiply
    1,020,563.55x = 1,530,783.82 × 451,778.16
  4. Step 4: Simplify right side
    1,020,563.55x = 691,574,692,710.62
  5. Step 5: Solve for x
    x = 691,574,692,710.62/1,020,563.55
  6. Step 6: Final answer
    x = 677,640.01

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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.