Home / 1,145,807.30-1,717,893.39-538,256.54

Finding the Fourth Proportional to 1,145,807.30, 1,717,893.39 and 538,256.54

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Solution

The fourth proportional to 1,145,807.30, 1,717,893.39 and 538,256.54 is: 807,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,807.30 : 1,717,893.39 = 538,256.54 : x
  2. Step 2: Convert to fraction form
    1,145,807.30/1,717,893.39 = 538,256.54/x
  3. Step 3: Cross multiply
    1,145,807.30x = 1,717,893.39 × 538,256.54
  4. Step 4: Simplify right side
    1,145,807.30x = 924,667,352,190.27
  5. Step 5: Solve for x
    x = 924,667,352,190.27/1,145,807.30
  6. Step 6: Final answer
    x = 807,000.75

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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.