Home / 1,226,433.08-1,839,956.20-1,206,090.72

Finding the Fourth Proportional to 1,226,433.08, 1,839,956.20 and 1,206,090.72

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Solution

The fourth proportional to 1,226,433.08, 1,839,956.20 and 1,206,090.72 is: 1,809,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,433.08 : 1,839,956.20 = 1,206,090.72 : x
  2. Step 2: Convert to fraction form
    1,226,433.08/1,839,956.20 = 1,206,090.72/x
  3. Step 3: Cross multiply
    1,226,433.08x = 1,839,956.20 × 1,206,090.72
  4. Step 4: Simplify right side
    1,226,433.08x = 2,219,154,098,026.46
  5. Step 5: Solve for x
    x = 2,219,154,098,026.46/1,226,433.08
  6. Step 6: Final answer
    x = 1,809,437.57

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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.