Home / 1,088,655.60-1,631,015.10-931,191.60

Finding the Fourth Proportional to 1,088,655.60, 1,631,015.10 and 931,191.60

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Solution

The fourth proportional to 1,088,655.60, 1,631,015.10 and 931,191.60 is: 1,395,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,655.60 : 1,631,015.10 = 931,191.60 : x
  2. Step 2: Convert to fraction form
    1,088,655.60/1,631,015.10 = 931,191.60/x
  3. Step 3: Cross multiply
    1,088,655.60x = 1,631,015.10 × 931,191.60
  4. Step 4: Simplify right side
    1,088,655.60x = 1,518,787,560,593.16
  5. Step 5: Solve for x
    x = 1,518,787,560,593.16/1,088,655.60
  6. Step 6: Final answer
    x = 1,395,103.80

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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.