Home / 1,191,235.28-1,787,186.40-481,761.52

Finding the Fourth Proportional to 1,191,235.28, 1,787,186.40 and 481,761.52

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Solution

The fourth proportional to 1,191,235.28, 1,787,186.40 and 481,761.52 is: 722,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,235.28 : 1,787,186.40 = 481,761.52 : x
  2. Step 2: Convert to fraction form
    1,191,235.28/1,787,186.40 = 481,761.52/x
  3. Step 3: Cross multiply
    1,191,235.28x = 1,787,186.40 × 481,761.52
  4. Step 4: Simplify right side
    1,191,235.28x = 860,997,636,587.33
  5. Step 5: Solve for x
    x = 860,997,636,587.33/1,191,235.28
  6. Step 6: Final answer
    x = 722,777.15

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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.