Home / 1,055,228.40-1,582,842.60-455,771.70

Finding the Fourth Proportional to 1,055,228.40, 1,582,842.60 and 455,771.70

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Solution

The fourth proportional to 1,055,228.40, 1,582,842.60 and 455,771.70 is: 683,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,228.40 : 1,582,842.60 = 455,771.70 : x
  2. Step 2: Convert to fraction form
    1,055,228.40/1,582,842.60 = 455,771.70/x
  3. Step 3: Cross multiply
    1,055,228.40x = 1,582,842.60 × 455,771.70
  4. Step 4: Simplify right side
    1,055,228.40x = 721,414,862,634.42
  5. Step 5: Solve for x
    x = 721,414,862,634.42/1,055,228.40
  6. Step 6: Final answer
    x = 683,657.55

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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.