Home / 1,209,748.43-1,814,885.19-368,278.31

Finding the Fourth Proportional to 1,209,748.43, 1,814,885.19 and 368,278.31

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Solution

The fourth proportional to 1,209,748.43, 1,814,885.19 and 368,278.31 is: 552,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,748.43 : 1,814,885.19 = 368,278.31 : x
  2. Step 2: Convert to fraction form
    1,209,748.43/1,814,885.19 = 368,278.31/x
  3. Step 3: Cross multiply
    1,209,748.43x = 1,814,885.19 × 368,278.31
  4. Step 4: Simplify right side
    1,209,748.43x = 668,382,855,154.44
  5. Step 5: Solve for x
    x = 668,382,855,154.44/1,209,748.43
  6. Step 6: Final answer
    x = 552,497.39

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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.