Home / 1,220,062.48-1,830,106.14-321,633.16

Finding the Fourth Proportional to 1,220,062.48, 1,830,106.14 and 321,633.16

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Solution

The fourth proportional to 1,220,062.48, 1,830,106.14 and 321,633.16 is: 482,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,062.48 : 1,830,106.14 = 321,633.16 : x
  2. Step 2: Convert to fraction form
    1,220,062.48/1,830,106.14 = 321,633.16/x
  3. Step 3: Cross multiply
    1,220,062.48x = 1,830,106.14 × 321,633.16
  4. Step 4: Simplify right side
    1,220,062.48x = 588,622,820,943.60
  5. Step 5: Solve for x
    x = 588,622,820,943.60/1,220,062.48
  6. Step 6: Final answer
    x = 482,453.01

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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.