Home / 909,737.42-1,361,766.45-670,121.51

Finding the Fourth Proportional to 909,737.42, 1,361,766.45 and 670,121.51

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Solution

The fourth proportional to 909,737.42, 1,361,766.45 and 670,121.51 is: 1,003,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,737.42 : 1,361,766.45 = 670,121.51 : x
  2. Step 2: Convert to fraction form
    909,737.42/1,361,766.45 = 670,121.51/x
  3. Step 3: Cross multiply
    909,737.42x = 1,361,766.45 × 670,121.51
  4. Step 4: Simplify right side
    909,737.42x = 912,548,982,932.51
  5. Step 5: Solve for x
    x = 912,548,982,932.51/909,737.42
  6. Step 6: Final answer
    x = 1,003,090.52

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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.