Home / 1,259,514.90-1,738,064.97-715,575.20

Finding the Fourth Proportional to 1,259,514.90, 1,738,064.97 and 715,575.20

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Solution

The fourth proportional to 1,259,514.90, 1,738,064.97 and 715,575.20 is: 987,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,514.90 : 1,738,064.97 = 715,575.20 : x
  2. Step 2: Convert to fraction form
    1,259,514.90/1,738,064.97 = 715,575.20/x
  3. Step 3: Cross multiply
    1,259,514.90x = 1,738,064.97 × 715,575.20
  4. Step 4: Simplify right side
    1,259,514.90x = 1,243,716,179,830.42
  5. Step 5: Solve for x
    x = 1,243,716,179,830.42/1,259,514.90
  6. Step 6: Final answer
    x = 987,456.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.