Home / 1,321,822.13-1,824,125.67-718,210.13

Finding the Fourth Proportional to 1,321,822.13, 1,824,125.67 and 718,210.13

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Solution

The fourth proportional to 1,321,822.13, 1,824,125.67 and 718,210.13 is: 991,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,822.13 : 1,824,125.67 = 718,210.13 : x
  2. Step 2: Convert to fraction form
    1,321,822.13/1,824,125.67 = 718,210.13/x
  3. Step 3: Cross multiply
    1,321,822.13x = 1,824,125.67 × 718,210.13
  4. Step 4: Simplify right side
    1,321,822.13x = 1,310,105,525,466.41
  5. Step 5: Solve for x
    x = 1,310,105,525,466.41/1,321,822.13
  6. Step 6: Final answer
    x = 991,136.02

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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.