Home / 1,139,017.56-1,571,877-629,752.68

Finding the Fourth Proportional to 1,139,017.56, 1,571,877 and 629,752.68

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Solution

The fourth proportional to 1,139,017.56, 1,571,877 and 629,752.68 is: 869,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,017.56 : 1,571,877 = 629,752.68 : x
  2. Step 2: Convert to fraction form
    1,139,017.56/1,571,877 = 629,752.68/x
  3. Step 3: Cross multiply
    1,139,017.56x = 1,571,877 × 629,752.68
  4. Step 4: Simplify right side
    1,139,017.56x = 989,893,753,380.36
  5. Step 5: Solve for x
    x = 989,893,753,380.36/1,139,017.56
  6. Step 6: Final answer
    x = 869,076.82

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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.