Home / 1,045,489.60-1,565,901.60-806,960.80

Finding the Fourth Proportional to 1,045,489.60, 1,565,901.60 and 806,960.80

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Solution

The fourth proportional to 1,045,489.60, 1,565,901.60 and 806,960.80 is: 1,208,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,489.60 : 1,565,901.60 = 806,960.80 : x
  2. Step 2: Convert to fraction form
    1,045,489.60/1,565,901.60 = 806,960.80/x
  3. Step 3: Cross multiply
    1,045,489.60x = 1,565,901.60 × 806,960.80
  4. Step 4: Simplify right side
    1,045,489.60x = 1,263,621,207,857.28
  5. Step 5: Solve for x
    x = 1,263,621,207,857.28/1,045,489.60
  6. Step 6: Final answer
    x = 1,208,640.63

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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.