Home / 1,424,160.28-2,134,764.12-890,455.72

Finding the Fourth Proportional to 1,424,160.28, 2,134,764.12 and 890,455.72

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Solution

The fourth proportional to 1,424,160.28, 2,134,764.12 and 890,455.72 is: 1,334,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,160.28 : 2,134,764.12 = 890,455.72 : x
  2. Step 2: Convert to fraction form
    1,424,160.28/2,134,764.12 = 890,455.72/x
  3. Step 3: Cross multiply
    1,424,160.28x = 2,134,764.12 × 890,455.72
  4. Step 4: Simplify right side
    1,424,160.28x = 1,900,912,921,504.77
  5. Step 5: Solve for x
    x = 1,900,912,921,504.77/1,424,160.28
  6. Step 6: Final answer
    x = 1,334,760.52

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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.