Home / 1,542,983.86-2,129,339.73-889,596.94

Finding the Fourth Proportional to 1,542,983.86, 2,129,339.73 and 889,596.94

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Solution

The fourth proportional to 1,542,983.86, 2,129,339.73 and 889,596.94 is: 1,227,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,983.86 : 2,129,339.73 = 889,596.94 : x
  2. Step 2: Convert to fraction form
    1,542,983.86/2,129,339.73 = 889,596.94/x
  3. Step 3: Cross multiply
    1,542,983.86x = 2,129,339.73 × 889,596.94
  4. Step 4: Simplify right side
    1,542,983.86x = 1,894,254,108,028.43
  5. Step 5: Solve for x
    x = 1,894,254,108,028.43/1,542,983.86
  6. Step 6: Final answer
    x = 1,227,656.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.