Home / 1,326,227.93-1,989,730.01-427,651.46

Finding the Fourth Proportional to 1,326,227.93, 1,989,730.01 and 427,651.46

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Solution

The fourth proportional to 1,326,227.93, 1,989,730.01 and 427,651.46 is: 641,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,227.93 : 1,989,730.01 = 427,651.46 : x
  2. Step 2: Convert to fraction form
    1,326,227.93/1,989,730.01 = 427,651.46/x
  3. Step 3: Cross multiply
    1,326,227.93x = 1,989,730.01 × 427,651.46
  4. Step 4: Simplify right side
    1,326,227.93x = 850,910,934,902.79
  5. Step 5: Solve for x
    x = 850,910,934,902.79/1,326,227.93
  6. Step 6: Final answer
    x = 641,602.34

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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.