Home / 1,557,464.50-2,149,301.01-842,072.50

Finding the Fourth Proportional to 1,557,464.50, 2,149,301.01 and 842,072.50

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Solution

The fourth proportional to 1,557,464.50, 2,149,301.01 and 842,072.50 is: 1,162,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,464.50 : 2,149,301.01 = 842,072.50 : x
  2. Step 2: Convert to fraction form
    1,557,464.50/2,149,301.01 = 842,072.50/x
  3. Step 3: Cross multiply
    1,557,464.50x = 2,149,301.01 × 842,072.50
  4. Step 4: Simplify right side
    1,557,464.50x = 1,809,867,274,743.23
  5. Step 5: Solve for x
    x = 1,809,867,274,743.23/1,557,464.50
  6. Step 6: Final answer
    x = 1,162,060.05

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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.