Home / 1,631,035.20-2,446,941.60-788,894.40

Finding the Fourth Proportional to 1,631,035.20, 2,446,941.60 and 788,894.40

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Solution

The fourth proportional to 1,631,035.20, 2,446,941.60 and 788,894.40 is: 1,183,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,035.20 : 2,446,941.60 = 788,894.40 : x
  2. Step 2: Convert to fraction form
    1,631,035.20/2,446,941.60 = 788,894.40/x
  3. Step 3: Cross multiply
    1,631,035.20x = 2,446,941.60 × 788,894.40
  4. Step 4: Simplify right side
    1,631,035.20x = 1,930,378,525,367.04
  5. Step 5: Solve for x
    x = 1,930,378,525,367.04/1,631,035.20
  6. Step 6: Final answer
    x = 1,183,529.65

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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.