Home / 1,127,221.44-1,690,563.68-453,304.32

Finding the Fourth Proportional to 1,127,221.44, 1,690,563.68 and 453,304.32

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Solution

The fourth proportional to 1,127,221.44, 1,690,563.68 and 453,304.32 is: 679,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,221.44 : 1,690,563.68 = 453,304.32 : x
  2. Step 2: Convert to fraction form
    1,127,221.44/1,690,563.68 = 453,304.32/x
  3. Step 3: Cross multiply
    1,127,221.44x = 1,690,563.68 × 453,304.32
  4. Step 4: Simplify right side
    1,127,221.44x = 766,339,819,379.10
  5. Step 5: Solve for x
    x = 766,339,819,379.10/1,127,221.44
  6. Step 6: Final answer
    x = 679,848.51

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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.