Home / 1,528,445.97-2,291,783.37-628,871.52

Finding the Fourth Proportional to 1,528,445.97, 2,291,783.37 and 628,871.52

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Solution

The fourth proportional to 1,528,445.97, 2,291,783.37 and 628,871.52 is: 942,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,445.97 : 2,291,783.37 = 628,871.52 : x
  2. Step 2: Convert to fraction form
    1,528,445.97/2,291,783.37 = 628,871.52/x
  3. Step 3: Cross multiply
    1,528,445.97x = 2,291,783.37 × 628,871.52
  4. Step 4: Simplify right side
    1,528,445.97x = 1,441,237,291,402.62
  5. Step 5: Solve for x
    x = 1,441,237,291,402.62/1,528,445.97
  6. Step 6: Final answer
    x = 942,942.91

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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.