Home / 1,113,245.42-1,669,897.29-383,760.91

Finding the Fourth Proportional to 1,113,245.42, 1,669,897.29 and 383,760.91

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Solution

The fourth proportional to 1,113,245.42, 1,669,897.29 and 383,760.91 is: 575,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,245.42 : 1,669,897.29 = 383,760.91 : x
  2. Step 2: Convert to fraction form
    1,113,245.42/1,669,897.29 = 383,760.91/x
  3. Step 3: Cross multiply
    1,113,245.42x = 1,669,897.29 × 383,760.91
  4. Step 4: Simplify right side
    1,113,245.42x = 640,841,297,750.24
  5. Step 5: Solve for x
    x = 640,841,297,750.24/1,113,245.42
  6. Step 6: Final answer
    x = 575,651.41

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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.