Home / 1,246,209.34-1,869,313.32-299,579.74

Finding the Fourth Proportional to 1,246,209.34, 1,869,313.32 and 299,579.74

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Solution

The fourth proportional to 1,246,209.34, 1,869,313.32 and 299,579.74 is: 449,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,209.34 : 1,869,313.32 = 299,579.74 : x
  2. Step 2: Convert to fraction form
    1,246,209.34/1,869,313.32 = 299,579.74/x
  3. Step 3: Cross multiply
    1,246,209.34x = 1,869,313.32 × 299,579.74
  4. Step 4: Simplify right side
    1,246,209.34x = 560,008,398,384.14
  5. Step 5: Solve for x
    x = 560,008,398,384.14/1,246,209.34
  6. Step 6: Final answer
    x = 449,369.44

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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.