Home / 1,222,063.68-1,832,658.08-423,130.80

Finding the Fourth Proportional to 1,222,063.68, 1,832,658.08 and 423,130.80

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Solution

The fourth proportional to 1,222,063.68, 1,832,658.08 and 423,130.80 is: 634,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,063.68 : 1,832,658.08 = 423,130.80 : x
  2. Step 2: Convert to fraction form
    1,222,063.68/1,832,658.08 = 423,130.80/x
  3. Step 3: Cross multiply
    1,222,063.68x = 1,832,658.08 × 423,130.80
  4. Step 4: Simplify right side
    1,222,063.68x = 775,454,079,516.86
  5. Step 5: Solve for x
    x = 775,454,079,516.86/1,222,063.68
  6. Step 6: Final answer
    x = 634,544.74

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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.