Home / 1,321,603.30-1,823,924.11-740,817.17

Finding the Fourth Proportional to 1,321,603.30, 1,823,924.11 and 740,817.17

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Solution

The fourth proportional to 1,321,603.30, 1,823,924.11 and 740,817.17 is: 1,022,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,603.30 : 1,823,924.11 = 740,817.17 : x
  2. Step 2: Convert to fraction form
    1,321,603.30/1,823,924.11 = 740,817.17/x
  3. Step 3: Cross multiply
    1,321,603.30x = 1,823,924.11 × 740,817.17
  4. Step 4: Simplify right side
    1,321,603.30x = 1,351,194,291,250.99
  5. Step 5: Solve for x
    x = 1,351,194,291,250.99/1,321,603.30
  6. Step 6: Final answer
    x = 1,022,390.23

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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.