Home / 1,332,378.94-1,998,549.94-321,492.46

Finding the Fourth Proportional to 1,332,378.94, 1,998,549.94 and 321,492.46

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Solution

The fourth proportional to 1,332,378.94, 1,998,549.94 and 321,492.46 is: 482,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,378.94 : 1,998,549.94 = 321,492.46 : x
  2. Step 2: Convert to fraction form
    1,332,378.94/1,998,549.94 = 321,492.46/x
  3. Step 3: Cross multiply
    1,332,378.94x = 1,998,549.94 × 321,492.46
  4. Step 4: Simplify right side
    1,332,378.94x = 642,518,736,643.45
  5. Step 5: Solve for x
    x = 642,518,736,643.45/1,332,378.94
  6. Step 6: Final answer
    x = 482,234.23

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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.