Home / 909,776.22-1,361,824.47-670,160.22

Finding the Fourth Proportional to 909,776.22, 1,361,824.47 and 670,160.22

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Solution

The fourth proportional to 909,776.22, 1,361,824.47 and 670,160.22 is: 1,003,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,776.22 : 1,361,824.47 = 670,160.22 : x
  2. Step 2: Convert to fraction form
    909,776.22/1,361,824.47 = 670,160.22/x
  3. Step 3: Cross multiply
    909,776.22x = 1,361,824.47 × 670,160.22
  4. Step 4: Simplify right side
    909,776.22x = 912,640,586,416.58
  5. Step 5: Solve for x
    x = 912,640,586,416.58/909,776.22
  6. Step 6: Final answer
    x = 1,003,148.43

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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.