Home / 1,424,154.26-2,134,755.14-890,449.72

Finding the Fourth Proportional to 1,424,154.26, 2,134,755.14 and 890,449.72

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Solution

The fourth proportional to 1,424,154.26, 2,134,755.14 and 890,449.72 is: 1,334,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,154.26 : 2,134,755.14 = 890,449.72 : x
  2. Step 2: Convert to fraction form
    1,424,154.26/2,134,755.14 = 890,449.72/x
  3. Step 3: Cross multiply
    1,424,154.26x = 2,134,755.14 × 890,449.72
  4. Step 4: Simplify right side
    1,424,154.26x = 1,900,892,116,681.56
  5. Step 5: Solve for x
    x = 1,900,892,116,681.56/1,424,154.26
  6. Step 6: Final answer
    x = 1,334,751.56

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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.