Home / 1,050,452.52-1,449,604.79-642,524.41

Finding the Fourth Proportional to 1,050,452.52, 1,449,604.79 and 642,524.41

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Solution

The fourth proportional to 1,050,452.52, 1,449,604.79 and 642,524.41 is: 886,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,452.52 : 1,449,604.79 = 642,524.41 : x
  2. Step 2: Convert to fraction form
    1,050,452.52/1,449,604.79 = 642,524.41/x
  3. Step 3: Cross multiply
    1,050,452.52x = 1,449,604.79 × 642,524.41
  4. Step 4: Simplify right side
    1,050,452.52x = 931,406,455,282.75
  5. Step 5: Solve for x
    x = 931,406,455,282.75/1,050,452.52
  6. Step 6: Final answer
    x = 886,671.64

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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.