Home / 1,296,443.60-1,943,974.20-547,643.60

Finding the Fourth Proportional to 1,296,443.60, 1,943,974.20 and 547,643.60

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Solution

The fourth proportional to 1,296,443.60, 1,943,974.20 and 547,643.60 is: 821,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,443.60 : 1,943,974.20 = 547,643.60 : x
  2. Step 2: Convert to fraction form
    1,296,443.60/1,943,974.20 = 547,643.60/x
  3. Step 3: Cross multiply
    1,296,443.60x = 1,943,974.20 × 547,643.60
  4. Step 4: Simplify right side
    1,296,443.60x = 1,064,605,029,195.12
  5. Step 5: Solve for x
    x = 1,064,605,029,195.12/1,296,443.60
  6. Step 6: Final answer
    x = 821,173.42

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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.