Home / 1,489,515.06-2,232,522.98-689,105.86

Finding the Fourth Proportional to 1,489,515.06, 2,232,522.98 and 689,105.86

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Solution

The fourth proportional to 1,489,515.06, 2,232,522.98 and 689,105.86 is: 1,032,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,515.06 : 2,232,522.98 = 689,105.86 : x
  2. Step 2: Convert to fraction form
    1,489,515.06/2,232,522.98 = 689,105.86/x
  3. Step 3: Cross multiply
    1,489,515.06x = 2,232,522.98 × 689,105.86
  4. Step 4: Simplify right side
    1,489,515.06x = 1,538,444,668,102.66
  5. Step 5: Solve for x
    x = 1,538,444,668,102.66/1,489,515.06
  6. Step 6: Final answer
    x = 1,032,849.35

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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.