Home / 1,212,339.20-1,818,581.60-370,898.24

Finding the Fourth Proportional to 1,212,339.20, 1,818,581.60 and 370,898.24

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Solution

The fourth proportional to 1,212,339.20, 1,818,581.60 and 370,898.24 is: 556,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,339.20 : 1,818,581.60 = 370,898.24 : x
  2. Step 2: Convert to fraction form
    1,212,339.20/1,818,581.60 = 370,898.24/x
  3. Step 3: Cross multiply
    1,212,339.20x = 1,818,581.60 × 370,898.24
  4. Step 4: Simplify right side
    1,212,339.20x = 674,508,714,736.38
  5. Step 5: Solve for x
    x = 674,508,714,736.38/1,212,339.20
  6. Step 6: Final answer
    x = 556,369.63

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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.