Home / 2,588,400.80-3,882,601.20-695,333.60

Finding the Fourth Proportional to 2,588,400.80, 3,882,601.20 and 695,333.60

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Solution

The fourth proportional to 2,588,400.80, 3,882,601.20 and 695,333.60 is: 1,043,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,400.80 : 3,882,601.20 = 695,333.60 : x
  2. Step 2: Convert to fraction form
    2,588,400.80/3,882,601.20 = 695,333.60/x
  3. Step 3: Cross multiply
    2,588,400.80x = 3,882,601.20 × 695,333.60
  4. Step 4: Simplify right side
    2,588,400.80x = 2,699,703,069,760.32
  5. Step 5: Solve for x
    x = 2,699,703,069,760.32/2,588,400.80
  6. Step 6: Final answer
    x = 1,043,000.40

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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.