Home / 1,689,628.40-2,534,442.60-491,589.80

Finding the Fourth Proportional to 1,689,628.40, 2,534,442.60 and 491,589.80

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Solution

The fourth proportional to 1,689,628.40, 2,534,442.60 and 491,589.80 is: 737,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,628.40 : 2,534,442.60 = 491,589.80 : x
  2. Step 2: Convert to fraction form
    1,689,628.40/2,534,442.60 = 491,589.80/x
  3. Step 3: Cross multiply
    1,689,628.40x = 2,534,442.60 × 491,589.80
  4. Step 4: Simplify right side
    1,689,628.40x = 1,245,906,130,845.48
  5. Step 5: Solve for x
    x = 1,245,906,130,845.48/1,689,628.40
  6. Step 6: Final answer
    x = 737,384.70

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Double scale
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1.5x scale

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.