Home / 1,542,989.50-2,129,347.50-889,602.60

Finding the Fourth Proportional to 1,542,989.50, 2,129,347.50 and 889,602.60

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Solution

The fourth proportional to 1,542,989.50, 2,129,347.50 and 889,602.60 is: 1,227,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,989.50 : 2,129,347.50 = 889,602.60 : x
  2. Step 2: Convert to fraction form
    1,542,989.50/2,129,347.50 = 889,602.60/x
  3. Step 3: Cross multiply
    1,542,989.50x = 2,129,347.50 × 889,602.60
  4. Step 4: Simplify right side
    1,542,989.50x = 1,894,273,072,303.50
  5. Step 5: Solve for x
    x = 1,894,273,072,303.50/1,542,989.50
  6. Step 6: Final answer
    x = 1,227,664.27

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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.