Home / 1,272,179.16-1,908,267.12-325,550.16

Finding the Fourth Proportional to 1,272,179.16, 1,908,267.12 and 325,550.16

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Solution

The fourth proportional to 1,272,179.16, 1,908,267.12 and 325,550.16 is: 488,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,179.16 : 1,908,267.12 = 325,550.16 : x
  2. Step 2: Convert to fraction form
    1,272,179.16/1,908,267.12 = 325,550.16/x
  3. Step 3: Cross multiply
    1,272,179.16x = 1,908,267.12 × 325,550.16
  4. Step 4: Simplify right side
    1,272,179.16x = 621,236,666,238.74
  5. Step 5: Solve for x
    x = 621,236,666,238.74/1,272,179.16
  6. Step 6: Final answer
    x = 488,324.83

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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.