Home / 1,586,080.80-2,380,676.40-788,263.20

Finding the Fourth Proportional to 1,586,080.80, 2,380,676.40 and 788,263.20

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Solution

The fourth proportional to 1,586,080.80, 2,380,676.40 and 788,263.20 is: 1,183,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,080.80 : 2,380,676.40 = 788,263.20 : x
  2. Step 2: Convert to fraction form
    1,586,080.80/2,380,676.40 = 788,263.20/x
  3. Step 3: Cross multiply
    1,586,080.80x = 2,380,676.40 × 788,263.20
  4. Step 4: Simplify right side
    1,586,080.80x = 1,876,599,597,228.48
  5. Step 5: Solve for x
    x = 1,876,599,597,228.48/1,586,080.80
  6. Step 6: Final answer
    x = 1,183,167.72

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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.