Home / 1,702,495.60-2,552,447.40-861,650.80

Finding the Fourth Proportional to 1,702,495.60, 2,552,447.40 and 861,650.80

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Solution

The fourth proportional to 1,702,495.60, 2,552,447.40 and 861,650.80 is: 1,291,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,495.60 : 2,552,447.40 = 861,650.80 : x
  2. Step 2: Convert to fraction form
    1,702,495.60/2,552,447.40 = 861,650.80/x
  3. Step 3: Cross multiply
    1,702,495.60x = 2,552,447.40 × 861,650.80
  4. Step 4: Simplify right side
    1,702,495.60x = 2,199,318,344,167.92
  5. Step 5: Solve for x
    x = 2,199,318,344,167.92/1,702,495.60
  6. Step 6: Final answer
    x = 1,291,820.28

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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.