Home / 1,332,330.69-1,998,477.46-321,444.15

Finding the Fourth Proportional to 1,332,330.69, 1,998,477.46 and 321,444.15

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Solution

The fourth proportional to 1,332,330.69, 1,998,477.46 and 321,444.15 is: 482,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,330.69 : 1,998,477.46 = 321,444.15 : x
  2. Step 2: Convert to fraction form
    1,332,330.69/1,998,477.46 = 321,444.15/x
  3. Step 3: Cross multiply
    1,332,330.69x = 1,998,477.46 × 321,444.15
  4. Step 4: Simplify right side
    1,332,330.69x = 642,398,896,319.96
  5. Step 5: Solve for x
    x = 642,398,896,319.96/1,332,330.69
  6. Step 6: Final answer
    x = 482,161.75

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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.