Home / 1,213,881.60-1,821,065.40-360,951.60

Finding the Fourth Proportional to 1,213,881.60, 1,821,065.40 and 360,951.60

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Solution

The fourth proportional to 1,213,881.60, 1,821,065.40 and 360,951.60 is: 541,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,881.60 : 1,821,065.40 = 360,951.60 : x
  2. Step 2: Convert to fraction form
    1,213,881.60/1,821,065.40 = 360,951.60/x
  3. Step 3: Cross multiply
    1,213,881.60x = 1,821,065.40 × 360,951.60
  4. Step 4: Simplify right side
    1,213,881.60x = 657,316,469,834.64
  5. Step 5: Solve for x
    x = 657,316,469,834.64/1,213,881.60
  6. Step 6: Final answer
    x = 541,499.66

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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.