Home / 909,767.65-1,361,811.67-670,151.69

Finding the Fourth Proportional to 909,767.65, 1,361,811.67 and 670,151.69

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Solution

The fourth proportional to 909,767.65, 1,361,811.67 and 670,151.69 is: 1,003,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,767.65 : 1,361,811.67 = 670,151.69 : x
  2. Step 2: Convert to fraction form
    909,767.65/1,361,811.67 = 670,151.69/x
  3. Step 3: Cross multiply
    909,767.65x = 1,361,811.67 × 670,151.69
  4. Step 4: Simplify right side
    909,767.65x = 912,620,392,112.22
  5. Step 5: Solve for x
    x = 912,620,392,112.22/909,767.65
  6. Step 6: Final answer
    x = 1,003,135.69

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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.