Home / 1,086,813.40-1,499,850.90-603,385.24

Finding the Fourth Proportional to 1,086,813.40, 1,499,850.90 and 603,385.24

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Solution

The fourth proportional to 1,086,813.40, 1,499,850.90 and 603,385.24 is: 832,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,813.40 : 1,499,850.90 = 603,385.24 : x
  2. Step 2: Convert to fraction form
    1,086,813.40/1,499,850.90 = 603,385.24/x
  3. Step 3: Cross multiply
    1,086,813.40x = 1,499,850.90 × 603,385.24
  4. Step 4: Simplify right side
    1,086,813.40x = 904,987,895,260.72
  5. Step 5: Solve for x
    x = 904,987,895,260.72/1,086,813.40
  6. Step 6: Final answer
    x = 832,698.51

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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.