Home / 1,326,232.61-1,989,737.10-427,656.28

Finding the Fourth Proportional to 1,326,232.61, 1,989,737.10 and 427,656.28

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Solution

The fourth proportional to 1,326,232.61, 1,989,737.10 and 427,656.28 is: 641,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,232.61 : 1,989,737.10 = 427,656.28 : x
  2. Step 2: Convert to fraction form
    1,326,232.61/1,989,737.10 = 427,656.28/x
  3. Step 3: Cross multiply
    1,326,232.61x = 1,989,737.10 × 427,656.28
  4. Step 4: Simplify right side
    1,326,232.61x = 850,923,556,415.30
  5. Step 5: Solve for x
    x = 850,923,556,415.30/1,326,232.61
  6. Step 6: Final answer
    x = 641,609.59

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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.