Home / 1,557,480-2,149,322.40-842,088

Finding the Fourth Proportional to 1,557,480, 2,149,322.40 and 842,088

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Solution

The fourth proportional to 1,557,480, 2,149,322.40 and 842,088 is: 1,162,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,480 : 2,149,322.40 = 842,088 : x
  2. Step 2: Convert to fraction form
    1,557,480/2,149,322.40 = 842,088/x
  3. Step 3: Cross multiply
    1,557,480x = 2,149,322.40 × 842,088
  4. Step 4: Simplify right side
    1,557,480x = 1,809,918,601,171.20
  5. Step 5: Solve for x
    x = 1,809,918,601,171.20/1,557,480
  6. Step 6: Final answer
    x = 1,162,081.44

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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.