Home / 1,220,061.48-1,830,104.64-321,632.16

Finding the Fourth Proportional to 1,220,061.48, 1,830,104.64 and 321,632.16

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Solution

The fourth proportional to 1,220,061.48, 1,830,104.64 and 321,632.16 is: 482,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,061.48 : 1,830,104.64 = 321,632.16 : x
  2. Step 2: Convert to fraction form
    1,220,061.48/1,830,104.64 = 321,632.16/x
  3. Step 3: Cross multiply
    1,220,061.48x = 1,830,104.64 × 321,632.16
  4. Step 4: Simplify right side
    1,220,061.48x = 588,620,508,389.22
  5. Step 5: Solve for x
    x = 588,620,508,389.22/1,220,061.48
  6. Step 6: Final answer
    x = 482,451.51

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1.5x scale

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.