Home / 1,186,234.60-1,778,983.90-427,977.50

Finding the Fourth Proportional to 1,186,234.60, 1,778,983.90 and 427,977.50

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Solution

The fourth proportional to 1,186,234.60, 1,778,983.90 and 427,977.50 is: 641,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,234.60 : 1,778,983.90 = 427,977.50 : x
  2. Step 2: Convert to fraction form
    1,186,234.60/1,778,983.90 = 427,977.50/x
  3. Step 3: Cross multiply
    1,186,234.60x = 1,778,983.90 × 427,977.50
  4. Step 4: Simplify right side
    1,186,234.60x = 761,365,082,062.25
  5. Step 5: Solve for x
    x = 761,365,082,062.25/1,186,234.60
  6. Step 6: Final answer
    x = 641,833.48

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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.