Home / 1,587,256.40-2,380,884.60-1,465,605.20

Finding the Fourth Proportional to 1,587,256.40, 2,380,884.60 and 1,465,605.20

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Solution

The fourth proportional to 1,587,256.40, 2,380,884.60 and 1,465,605.20 is: 2,198,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,256.40 : 2,380,884.60 = 1,465,605.20 : x
  2. Step 2: Convert to fraction form
    1,587,256.40/2,380,884.60 = 1,465,605.20/x
  3. Step 3: Cross multiply
    1,587,256.40x = 2,380,884.60 × 1,465,605.20
  4. Step 4: Simplify right side
    1,587,256.40x = 3,489,436,850,359.92
  5. Step 5: Solve for x
    x = 3,489,436,850,359.92/1,587,256.40
  6. Step 6: Final answer
    x = 2,198,407.80

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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.