Home / 1,088,378.10-1,632,580.82-289,654.72

Finding the Fourth Proportional to 1,088,378.10, 1,632,580.82 and 289,654.72

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Solution

The fourth proportional to 1,088,378.10, 1,632,580.82 and 289,654.72 is: 434,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,378.10 : 1,632,580.82 = 289,654.72 : x
  2. Step 2: Convert to fraction form
    1,088,378.10/1,632,580.82 = 289,654.72/x
  3. Step 3: Cross multiply
    1,088,378.10x = 1,632,580.82 × 289,654.72
  4. Step 4: Simplify right side
    1,088,378.10x = 472,884,735,850.95
  5. Step 5: Solve for x
    x = 472,884,735,850.95/1,088,378.10
  6. Step 6: Final answer
    x = 434,485.71

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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.