Home / 1,188,949.88-1,783,050.20-390,045.24

Finding the Fourth Proportional to 1,188,949.88, 1,783,050.20 and 390,045.24

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Solution

The fourth proportional to 1,188,949.88, 1,783,050.20 and 390,045.24 is: 584,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,949.88 : 1,783,050.20 = 390,045.24 : x
  2. Step 2: Convert to fraction form
    1,188,949.88/1,783,050.20 = 390,045.24/x
  3. Step 3: Cross multiply
    1,188,949.88x = 1,783,050.20 × 390,045.24
  4. Step 4: Simplify right side
    1,188,949.88x = 695,470,243,191.05
  5. Step 5: Solve for x
    x = 695,470,243,191.05/1,188,949.88
  6. Step 6: Final answer
    x = 584,944.96

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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.