Home / 1,627,434.09-2,441,252.61-429,357.54

Finding the Fourth Proportional to 1,627,434.09, 2,441,252.61 and 429,357.54

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Solution

The fourth proportional to 1,627,434.09, 2,441,252.61 and 429,357.54 is: 644,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,434.09 : 2,441,252.61 = 429,357.54 : x
  2. Step 2: Convert to fraction form
    1,627,434.09/2,441,252.61 = 429,357.54/x
  3. Step 3: Cross multiply
    1,627,434.09x = 2,441,252.61 × 429,357.54
  4. Step 4: Simplify right side
    1,627,434.09x = 1,048,170,215,148.18
  5. Step 5: Solve for x
    x = 1,048,170,215,148.18/1,627,434.09
  6. Step 6: Final answer
    x = 644,063.08

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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.