Home / 1,451,938.60-2,176,871.10-821,045.80

Finding the Fourth Proportional to 1,451,938.60, 2,176,871.10 and 821,045.80

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Solution

The fourth proportional to 1,451,938.60, 2,176,871.10 and 821,045.80 is: 1,230,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,938.60 : 2,176,871.10 = 821,045.80 : x
  2. Step 2: Convert to fraction form
    1,451,938.60/2,176,871.10 = 821,045.80/x
  3. Step 3: Cross multiply
    1,451,938.60x = 2,176,871.10 × 821,045.80
  4. Step 4: Simplify right side
    1,451,938.60x = 1,787,310,873,796.38
  5. Step 5: Solve for x
    x = 1,787,310,873,796.38/1,451,938.60
  6. Step 6: Final answer
    x = 1,230,982.41

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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.