Home / 1,213,641.12-1,820,146.43-360,512.24

Finding the Fourth Proportional to 1,213,641.12, 1,820,146.43 and 360,512.24

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Solution

The fourth proportional to 1,213,641.12, 1,820,146.43 and 360,512.24 is: 540,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,641.12 : 1,820,146.43 = 360,512.24 : x
  2. Step 2: Convert to fraction form
    1,213,641.12/1,820,146.43 = 360,512.24/x
  3. Step 3: Cross multiply
    1,213,641.12x = 1,820,146.43 × 360,512.24
  4. Step 4: Simplify right side
    1,213,641.12x = 656,185,066,607.30
  5. Step 5: Solve for x
    x = 656,185,066,607.30/1,213,641.12
  6. Step 6: Final answer
    x = 540,674.71

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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.