Home / 1,326,350.39-1,989,523.09-415,602.58

Finding the Fourth Proportional to 1,326,350.39, 1,989,523.09 and 415,602.58

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Solution

The fourth proportional to 1,326,350.39, 1,989,523.09 and 415,602.58 is: 623,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,350.39 : 1,989,523.09 = 415,602.58 : x
  2. Step 2: Convert to fraction form
    1,326,350.39/1,989,523.09 = 415,602.58/x
  3. Step 3: Cross multiply
    1,326,350.39x = 1,989,523.09 × 415,602.58
  4. Step 4: Simplify right side
    1,326,350.39x = 826,850,929,173.57
  5. Step 5: Solve for x
    x = 826,850,929,173.57/1,326,350.39
  6. Step 6: Final answer
    x = 623,403.09

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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.