Home / 1,332,411.66-1,998,598.86-321,525.18

Finding the Fourth Proportional to 1,332,411.66, 1,998,598.86 and 321,525.18

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Solution

The fourth proportional to 1,332,411.66, 1,998,598.86 and 321,525.18 is: 482,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,411.66 : 1,998,598.86 = 321,525.18 : x
  2. Step 2: Convert to fraction form
    1,332,411.66/1,998,598.86 = 321,525.18/x
  3. Step 3: Cross multiply
    1,332,411.66x = 1,998,598.86 × 321,525.18
  4. Step 4: Simplify right side
    1,332,411.66x = 642,599,858,209.30
  5. Step 5: Solve for x
    x = 642,599,858,209.30/1,332,411.66
  6. Step 6: Final answer
    x = 482,283.27

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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.