Home / 1,375,505.20-2,063,552.64-415,878.76

Finding the Fourth Proportional to 1,375,505.20, 2,063,552.64 and 415,878.76

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Solution

The fourth proportional to 1,375,505.20, 2,063,552.64 and 415,878.76 is: 623,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,505.20 : 2,063,552.64 = 415,878.76 : x
  2. Step 2: Convert to fraction form
    1,375,505.20/2,063,552.64 = 415,878.76/x
  3. Step 3: Cross multiply
    1,375,505.20x = 2,063,552.64 × 415,878.76
  4. Step 4: Simplify right side
    1,375,505.20x = 858,187,713,117.93
  5. Step 5: Solve for x
    x = 858,187,713,117.93/1,375,505.20
  6. Step 6: Final answer
    x = 623,907.28

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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.