Home / 1,551,230.80-2,326,846.20-429,299.80

Finding the Fourth Proportional to 1,551,230.80, 2,326,846.20 and 429,299.80

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Solution

The fourth proportional to 1,551,230.80, 2,326,846.20 and 429,299.80 is: 643,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,230.80 : 2,326,846.20 = 429,299.80 : x
  2. Step 2: Convert to fraction form
    1,551,230.80/2,326,846.20 = 429,299.80/x
  3. Step 3: Cross multiply
    1,551,230.80x = 2,326,846.20 × 429,299.80
  4. Step 4: Simplify right side
    1,551,230.80x = 998,914,608,290.76
  5. Step 5: Solve for x
    x = 998,914,608,290.76/1,551,230.80
  6. Step 6: Final answer
    x = 643,949.70

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Double scale
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Similar ratio
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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.