Home / 1,064,840.13-1,469,468.25-581,403.78

Finding the Fourth Proportional to 1,064,840.13, 1,469,468.25 and 581,403.78

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Solution

The fourth proportional to 1,064,840.13, 1,469,468.25 and 581,403.78 is: 802,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,840.13 : 1,469,468.25 = 581,403.78 : x
  2. Step 2: Convert to fraction form
    1,064,840.13/1,469,468.25 = 581,403.78/x
  3. Step 3: Cross multiply
    1,064,840.13x = 1,469,468.25 × 581,403.78
  4. Step 4: Simplify right side
    1,064,840.13x = 854,354,395,139.99
  5. Step 5: Solve for x
    x = 854,354,395,139.99/1,064,840.13
  6. Step 6: Final answer
    x = 802,331.14

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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.