Home / 1,077,938.20-1,487,552.34-648,467.56

Finding the Fourth Proportional to 1,077,938.20, 1,487,552.34 and 648,467.56

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Solution

The fourth proportional to 1,077,938.20, 1,487,552.34 and 648,467.56 is: 894,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,938.20 : 1,487,552.34 = 648,467.56 : x
  2. Step 2: Convert to fraction form
    1,077,938.20/1,487,552.34 = 648,467.56/x
  3. Step 3: Cross multiply
    1,077,938.20x = 1,487,552.34 × 648,467.56
  4. Step 4: Simplify right side
    1,077,938.20x = 964,629,436,292.09
  5. Step 5: Solve for x
    x = 964,629,436,292.09/1,077,938.20
  6. Step 6: Final answer
    x = 894,883.80

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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.