Home / 1,000,160.88-1,380,230.64-570,462.78

Finding the Fourth Proportional to 1,000,160.88, 1,380,230.64 and 570,462.78

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Solution

The fourth proportional to 1,000,160.88, 1,380,230.64 and 570,462.78 is: 787,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,160.88 : 1,380,230.64 = 570,462.78 : x
  2. Step 2: Convert to fraction form
    1,000,160.88/1,380,230.64 = 570,462.78/x
  3. Step 3: Cross multiply
    1,000,160.88x = 1,380,230.64 × 570,462.78
  4. Step 4: Simplify right side
    1,000,160.88x = 787,370,207,935.58
  5. Step 5: Solve for x
    x = 787,370,207,935.58/1,000,160.88
  6. Step 6: Final answer
    x = 787,243.56

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1.5x scale

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.