Home / 1,432,969.26-2,149,376.13-435,619.50

Finding the Fourth Proportional to 1,432,969.26, 2,149,376.13 and 435,619.50

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Solution

The fourth proportional to 1,432,969.26, 2,149,376.13 and 435,619.50 is: 653,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,969.26 : 2,149,376.13 = 435,619.50 : x
  2. Step 2: Convert to fraction form
    1,432,969.26/2,149,376.13 = 435,619.50/x
  3. Step 3: Cross multiply
    1,432,969.26x = 2,149,376.13 × 435,619.50
  4. Step 4: Simplify right side
    1,432,969.26x = 936,310,155,062.54
  5. Step 5: Solve for x
    x = 936,310,155,062.54/1,432,969.26
  6. Step 6: Final answer
    x = 653,405.61

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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.