Home / 1,685,710.20-2,530,898.10-1,331,124.60

Finding the Fourth Proportional to 1,685,710.20, 2,530,898.10 and 1,331,124.60

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Solution

The fourth proportional to 1,685,710.20, 2,530,898.10 and 1,331,124.60 is: 1,998,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,710.20 : 2,530,898.10 = 1,331,124.60 : x
  2. Step 2: Convert to fraction form
    1,685,710.20/2,530,898.10 = 1,331,124.60/x
  3. Step 3: Cross multiply
    1,685,710.20x = 2,530,898.10 × 1,331,124.60
  4. Step 4: Simplify right side
    1,685,710.20x = 3,368,940,721,003.26
  5. Step 5: Solve for x
    x = 3,368,940,721,003.26/1,685,710.20
  6. Step 6: Final answer
    x = 1,998,529.00

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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.