Home / 1,319,481.41-1,820,730.89-738,737.33

Finding the Fourth Proportional to 1,319,481.41, 1,820,730.89 and 738,737.33

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Solution

The fourth proportional to 1,319,481.41, 1,820,730.89 and 738,737.33 is: 1,019,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,481.41 : 1,820,730.89 = 738,737.33 : x
  2. Step 2: Convert to fraction form
    1,319,481.41/1,820,730.89 = 738,737.33/x
  3. Step 3: Cross multiply
    1,319,481.41x = 1,820,730.89 × 738,737.33
  4. Step 4: Simplify right side
    1,319,481.41x = 1,345,041,869,070.31
  5. Step 5: Solve for x
    x = 1,345,041,869,070.31/1,319,481.41
  6. Step 6: Final answer
    x = 1,019,371.60

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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.