Home / 1,424,152.89-2,134,753.07-890,448.34

Finding the Fourth Proportional to 1,424,152.89, 2,134,753.07 and 890,448.34

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Solution

The fourth proportional to 1,424,152.89, 2,134,753.07 and 890,448.34 is: 1,334,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,152.89 : 2,134,753.07 = 890,448.34 : x
  2. Step 2: Convert to fraction form
    1,424,152.89/2,134,753.07 = 890,448.34/x
  3. Step 3: Cross multiply
    1,424,152.89x = 2,134,753.07 × 890,448.34
  4. Step 4: Simplify right side
    1,424,152.89x = 1,900,887,327,491.40
  5. Step 5: Solve for x
    x = 1,900,887,327,491.40/1,424,152.89
  6. Step 6: Final answer
    x = 1,334,749.48

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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.