Home / 1,055,122.40-1,455,265.52-908,197.36

Finding the Fourth Proportional to 1,055,122.40, 1,455,265.52 and 908,197.36

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Solution

The fourth proportional to 1,055,122.40, 1,455,265.52 and 908,197.36 is: 1,252,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,122.40 : 1,455,265.52 = 908,197.36 : x
  2. Step 2: Convert to fraction form
    1,055,122.40/1,455,265.52 = 908,197.36/x
  3. Step 3: Cross multiply
    1,055,122.40x = 1,455,265.52 × 908,197.36
  4. Step 4: Simplify right side
    1,055,122.40x = 1,321,668,303,363.03
  5. Step 5: Solve for x
    x = 1,321,668,303,363.03/1,055,122.40
  6. Step 6: Final answer
    x = 1,252,620.84

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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.