Home / 1,243,647.21-1,865,262.14-345,180.23

Finding the Fourth Proportional to 1,243,647.21, 1,865,262.14 and 345,180.23

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Solution

The fourth proportional to 1,243,647.21, 1,865,262.14 and 345,180.23 is: 517,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,647.21 : 1,865,262.14 = 345,180.23 : x
  2. Step 2: Convert to fraction form
    1,243,647.21/1,865,262.14 = 345,180.23/x
  3. Step 3: Cross multiply
    1,243,647.21x = 1,865,262.14 × 345,180.23
  4. Step 4: Simplify right side
    1,243,647.21x = 643,851,614,495.49
  5. Step 5: Solve for x
    x = 643,851,614,495.49/1,243,647.21
  6. Step 6: Final answer
    x = 517,712.43

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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.