Home / 1,212,305.89-1,818,392.92-370,857.64

Finding the Fourth Proportional to 1,212,305.89, 1,818,392.92 and 370,857.64

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Solution

The fourth proportional to 1,212,305.89, 1,818,392.92 and 370,857.64 is: 556,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,305.89 : 1,818,392.92 = 370,857.64 : x
  2. Step 2: Convert to fraction form
    1,212,305.89/1,818,392.92 = 370,857.64/x
  3. Step 3: Cross multiply
    1,212,305.89x = 1,818,392.92 × 370,857.64
  4. Step 4: Simplify right side
    1,212,305.89x = 674,364,895,957.66
  5. Step 5: Solve for x
    x = 674,364,895,957.66/1,212,305.89
  6. Step 6: Final answer
    x = 556,266.29

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1.5x scale

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.