Home / 1,272,254.08-1,908,468.72-325,633.12

Finding the Fourth Proportional to 1,272,254.08, 1,908,468.72 and 325,633.12

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Solution

The fourth proportional to 1,272,254.08, 1,908,468.72 and 325,633.12 is: 488,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,254.08 : 1,908,468.72 = 325,633.12 : x
  2. Step 2: Convert to fraction form
    1,272,254.08/1,908,468.72 = 325,633.12/x
  3. Step 3: Cross multiply
    1,272,254.08x = 1,908,468.72 × 325,633.12
  4. Step 4: Simplify right side
    1,272,254.08x = 621,460,623,716.01
  5. Step 5: Solve for x
    x = 621,460,623,716.01/1,272,254.08
  6. Step 6: Final answer
    x = 488,472.10

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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.