Home / 1,566,383.21-2,349,576.64-429,155.29

Finding the Fourth Proportional to 1,566,383.21, 2,349,576.64 and 429,155.29

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Solution

The fourth proportional to 1,566,383.21, 2,349,576.64 and 429,155.29 is: 643,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,383.21 : 2,349,576.64 = 429,155.29 : x
  2. Step 2: Convert to fraction form
    1,566,383.21/2,349,576.64 = 429,155.29/x
  3. Step 3: Cross multiply
    1,566,383.21x = 2,349,576.64 × 429,155.29
  4. Step 4: Simplify right side
    1,566,383.21x = 1,008,333,242,388.66
  5. Step 5: Solve for x
    x = 1,008,333,242,388.66/1,566,383.21
  6. Step 6: Final answer
    x = 643,733.43

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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.