Home / 1,605,147.98-2,215,103.66-879,980.14

Finding the Fourth Proportional to 1,605,147.98, 2,215,103.66 and 879,980.14

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Solution

The fourth proportional to 1,605,147.98, 2,215,103.66 and 879,980.14 is: 1,214,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,147.98 : 2,215,103.66 = 879,980.14 : x
  2. Step 2: Convert to fraction form
    1,605,147.98/2,215,103.66 = 879,980.14/x
  3. Step 3: Cross multiply
    1,605,147.98x = 2,215,103.66 × 879,980.14
  4. Step 4: Simplify right side
    1,605,147.98x = 1,949,247,219,965.74
  5. Step 5: Solve for x
    x = 1,949,247,219,965.74/1,605,147.98
  6. Step 6: Final answer
    x = 1,214,372.28

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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.