Home / 1,076,469.48-1,485,489.06-623,673

Finding the Fourth Proportional to 1,076,469.48, 1,485,489.06 and 623,673

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Solution

The fourth proportional to 1,076,469.48, 1,485,489.06 and 623,673 is: 860,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,469.48 : 1,485,489.06 = 623,673 : x
  2. Step 2: Convert to fraction form
    1,076,469.48/1,485,489.06 = 623,673/x
  3. Step 3: Cross multiply
    1,076,469.48x = 1,485,489.06 × 623,673
  4. Step 4: Simplify right side
    1,076,469.48x = 926,459,418,517.38
  5. Step 5: Solve for x
    x = 926,459,418,517.38/1,076,469.48
  6. Step 6: Final answer
    x = 860,646.25

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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.