Home / 1,628,542.40-2,247,402.08-903,437.60

Finding the Fourth Proportional to 1,628,542.40, 2,247,402.08 and 903,437.60

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Solution

The fourth proportional to 1,628,542.40, 2,247,402.08 and 903,437.60 is: 1,246,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,542.40 : 2,247,402.08 = 903,437.60 : x
  2. Step 2: Convert to fraction form
    1,628,542.40/2,247,402.08 = 903,437.60/x
  3. Step 3: Cross multiply
    1,628,542.40x = 2,247,402.08 × 903,437.60
  4. Step 4: Simplify right side
    1,628,542.40x = 2,030,387,541,390.21
  5. Step 5: Solve for x
    x = 2,030,387,541,390.21/1,628,542.40
  6. Step 6: Final answer
    x = 1,246,751.41

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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.