Home / 1,780,540.15-2,457,141.96-964,765.91

Finding the Fourth Proportional to 1,780,540.15, 2,457,141.96 and 964,765.91

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Solution

The fourth proportional to 1,780,540.15, 2,457,141.96 and 964,765.91 is: 1,331,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,540.15 : 2,457,141.96 = 964,765.91 : x
  2. Step 2: Convert to fraction form
    1,780,540.15/2,457,141.96 = 964,765.91/x
  3. Step 3: Cross multiply
    1,780,540.15x = 2,457,141.96 × 964,765.91
  4. Step 4: Simplify right side
    1,780,540.15x = 2,370,566,786,752.87
  5. Step 5: Solve for x
    x = 2,370,566,786,752.87/1,780,540.15
  6. Step 6: Final answer
    x = 1,331,375.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.