Home / 1,424,150.76-2,134,749.89-890,446.21

Finding the Fourth Proportional to 1,424,150.76, 2,134,749.89 and 890,446.21

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Solution

The fourth proportional to 1,424,150.76, 2,134,749.89 and 890,446.21 is: 1,334,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,150.76 : 2,134,749.89 = 890,446.21 : x
  2. Step 2: Convert to fraction form
    1,424,150.76/2,134,749.89 = 890,446.21/x
  3. Step 3: Cross multiply
    1,424,150.76x = 2,134,749.89 × 890,446.21
  4. Step 4: Simplify right side
    1,424,150.76x = 1,900,879,952,736.87
  5. Step 5: Solve for x
    x = 1,900,879,952,736.87/1,424,150.76
  6. Step 6: Final answer
    x = 1,334,746.30

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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.