Home / 1,489,514.55-2,232,522.23-689,105.36

Finding the Fourth Proportional to 1,489,514.55, 2,232,522.23 and 689,105.36

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Solution

The fourth proportional to 1,489,514.55, 2,232,522.23 and 689,105.36 is: 1,032,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,514.55 : 2,232,522.23 = 689,105.36 : x
  2. Step 2: Convert to fraction form
    1,489,514.55/2,232,522.23 = 689,105.36/x
  3. Step 3: Cross multiply
    1,489,514.55x = 2,232,522.23 × 689,105.36
  4. Step 4: Simplify right side
    1,489,514.55x = 1,538,443,020,404.02
  5. Step 5: Solve for x
    x = 1,538,443,020,404.02/1,489,514.55
  6. Step 6: Final answer
    x = 1,032,848.60

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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.