Home / 1,490,874.60-2,057,350.74-911,067.24

Finding the Fourth Proportional to 1,490,874.60, 2,057,350.74 and 911,067.24

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Solution

The fourth proportional to 1,490,874.60, 2,057,350.74 and 911,067.24 is: 1,257,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,874.60 : 2,057,350.74 = 911,067.24 : x
  2. Step 2: Convert to fraction form
    1,490,874.60/2,057,350.74 = 911,067.24/x
  3. Step 3: Cross multiply
    1,490,874.60x = 2,057,350.74 × 911,067.24
  4. Step 4: Simplify right side
    1,490,874.60x = 1,874,384,860,403.76
  5. Step 5: Solve for x
    x = 1,874,384,860,403.76/1,490,874.60
  6. Step 6: Final answer
    x = 1,257,238.44

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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.