Home / 1,515,730.86-2,091,704.31-836,662.50

Finding the Fourth Proportional to 1,515,730.86, 2,091,704.31 and 836,662.50

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Solution

The fourth proportional to 1,515,730.86, 2,091,704.31 and 836,662.50 is: 1,154,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,730.86 : 2,091,704.31 = 836,662.50 : x
  2. Step 2: Convert to fraction form
    1,515,730.86/2,091,704.31 = 836,662.50/x
  3. Step 3: Cross multiply
    1,515,730.86x = 2,091,704.31 × 836,662.50
  4. Step 4: Simplify right side
    1,515,730.86x = 1,750,050,557,265.38
  5. Step 5: Solve for x
    x = 1,750,050,557,265.38/1,515,730.86
  6. Step 6: Final answer
    x = 1,154,591.89

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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.