Home / 1,209,863.42-1,814,795.12-368,415.26

Finding the Fourth Proportional to 1,209,863.42, 1,814,795.12 and 368,415.26

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Solution

The fourth proportional to 1,209,863.42, 1,814,795.12 and 368,415.26 is: 552,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,863.42 : 1,814,795.12 = 368,415.26 : x
  2. Step 2: Convert to fraction form
    1,209,863.42/1,814,795.12 = 368,415.26/x
  3. Step 3: Cross multiply
    1,209,863.42x = 1,814,795.12 × 368,415.26
  4. Step 4: Simplify right side
    1,209,863.42x = 668,598,207,828.59
  5. Step 5: Solve for x
    x = 668,598,207,828.59/1,209,863.42
  6. Step 6: Final answer
    x = 552,622.88

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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.