Home / 1,020,899.80-1,531,339.25-262,738.30

Finding the Fourth Proportional to 1,020,899.80, 1,531,339.25 and 262,738.30

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Solution

The fourth proportional to 1,020,899.80, 1,531,339.25 and 262,738.30 is: 394,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,899.80 : 1,531,339.25 = 262,738.30 : x
  2. Step 2: Convert to fraction form
    1,020,899.80/1,531,339.25 = 262,738.30/x
  3. Step 3: Cross multiply
    1,020,899.80x = 1,531,339.25 × 262,738.30
  4. Step 4: Simplify right side
    1,020,899.80x = 402,341,468,096.77
  5. Step 5: Solve for x
    x = 402,341,468,096.77/1,020,899.80
  6. Step 6: Final answer
    x = 394,104.76

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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.