Home / 1,230,978.40-1,846,208.40-521,029.60

Finding the Fourth Proportional to 1,230,978.40, 1,846,208.40 and 521,029.60

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Solution

The fourth proportional to 1,230,978.40, 1,846,208.40 and 521,029.60 is: 781,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,978.40 : 1,846,208.40 = 521,029.60 : x
  2. Step 2: Convert to fraction form
    1,230,978.40/1,846,208.40 = 521,029.60/x
  3. Step 3: Cross multiply
    1,230,978.40x = 1,846,208.40 × 521,029.60
  4. Step 4: Simplify right side
    1,230,978.40x = 961,929,224,168.64
  5. Step 5: Solve for x
    x = 961,929,224,168.64/1,230,978.40
  6. Step 6: Final answer
    x = 781,434.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.