Home / 1,551,118.60-2,326,729.74-429,093.64

Finding the Fourth Proportional to 1,551,118.60, 2,326,729.74 and 429,093.64

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Solution

The fourth proportional to 1,551,118.60, 2,326,729.74 and 429,093.64 is: 643,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,118.60 : 2,326,729.74 = 429,093.64 : x
  2. Step 2: Convert to fraction form
    1,551,118.60/2,326,729.74 = 429,093.64/x
  3. Step 3: Cross multiply
    1,551,118.60x = 2,326,729.74 × 429,093.64
  4. Step 4: Simplify right side
    1,551,118.60x = 998,384,933,432.85
  5. Step 5: Solve for x
    x = 998,384,933,432.85/1,551,118.60
  6. Step 6: Final answer
    x = 643,654.80

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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.