Home / 1,310,377.96-1,963,519.26-911,797.48

Finding the Fourth Proportional to 1,310,377.96, 1,963,519.26 and 911,797.48

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Solution

The fourth proportional to 1,310,377.96, 1,963,519.26 and 911,797.48 is: 1,366,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,377.96 : 1,963,519.26 = 911,797.48 : x
  2. Step 2: Convert to fraction form
    1,310,377.96/1,963,519.26 = 911,797.48/x
  3. Step 3: Cross multiply
    1,310,377.96x = 1,963,519.26 × 911,797.48
  4. Step 4: Simplify right side
    1,310,377.96x = 1,790,331,913,199.47
  5. Step 5: Solve for x
    x = 1,790,331,913,199.47/1,310,377.96
  6. Step 6: Final answer
    x = 1,366,271.39

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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.