Home / 1,209,724.91-1,814,849.80-368,254.79

Finding the Fourth Proportional to 1,209,724.91, 1,814,849.80 and 368,254.79

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Solution

The fourth proportional to 1,209,724.91, 1,814,849.80 and 368,254.79 is: 552,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,724.91 : 1,814,849.80 = 368,254.79 : x
  2. Step 2: Convert to fraction form
    1,209,724.91/1,814,849.80 = 368,254.79/x
  3. Step 3: Cross multiply
    1,209,724.91x = 1,814,849.80 × 368,254.79
  4. Step 4: Simplify right side
    1,209,724.91x = 668,327,135,597.03
  5. Step 5: Solve for x
    x = 668,327,135,597.03/1,209,724.91
  6. Step 6: Final answer
    x = 552,462.08

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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.