Home / 909,940.80-1,364,911.20-738,698.70

Finding the Fourth Proportional to 909,940.80, 1,364,911.20 and 738,698.70

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Solution

The fourth proportional to 909,940.80, 1,364,911.20 and 738,698.70 is: 1,108,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,940.80 : 1,364,911.20 = 738,698.70 : x
  2. Step 2: Convert to fraction form
    909,940.80/1,364,911.20 = 738,698.70/x
  3. Step 3: Cross multiply
    909,940.80x = 1,364,911.20 × 738,698.70
  4. Step 4: Simplify right side
    909,940.80x = 1,008,258,129,055.44
  5. Step 5: Solve for x
    x = 1,008,258,129,055.44/909,940.80
  6. Step 6: Final answer
    x = 1,108,048.05

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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.