Home / 1,424,393.52-2,135,113.92-890,689.56

Finding the Fourth Proportional to 1,424,393.52, 2,135,113.92 and 890,689.56

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Solution

The fourth proportional to 1,424,393.52, 2,135,113.92 and 890,689.56 is: 1,335,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,393.52 : 2,135,113.92 = 890,689.56 : x
  2. Step 2: Convert to fraction form
    1,424,393.52/2,135,113.92 = 890,689.56/x
  3. Step 3: Cross multiply
    1,424,393.52x = 2,135,113.92 × 890,689.56
  4. Step 4: Simplify right side
    1,424,393.52x = 1,901,723,677,954.68
  5. Step 5: Solve for x
    x = 1,901,723,677,954.68/1,424,393.52
  6. Step 6: Final answer
    x = 1,335,111.16

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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.