Home / 1,458,009.40-2,185,977.30-559,103.80

Finding the Fourth Proportional to 1,458,009.40, 2,185,977.30 and 559,103.80

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Solution

The fourth proportional to 1,458,009.40, 2,185,977.30 and 559,103.80 is: 838,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,009.40 : 2,185,977.30 = 559,103.80 : x
  2. Step 2: Convert to fraction form
    1,458,009.40/2,185,977.30 = 559,103.80/x
  3. Step 3: Cross multiply
    1,458,009.40x = 2,185,977.30 × 559,103.80
  4. Step 4: Simplify right side
    1,458,009.40x = 1,222,188,215,143.74
  5. Step 5: Solve for x
    x = 1,222,188,215,143.74/1,458,009.40
  6. Step 6: Final answer
    x = 838,258.12

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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.