Home / 1,272,300.26-1,908,406.65-325,679.18

Finding the Fourth Proportional to 1,272,300.26, 1,908,406.65 and 325,679.18

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Solution

The fourth proportional to 1,272,300.26, 1,908,406.65 and 325,679.18 is: 488,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,300.26 : 1,908,406.65 = 325,679.18 : x
  2. Step 2: Convert to fraction form
    1,272,300.26/1,908,406.65 = 325,679.18/x
  3. Step 3: Cross multiply
    1,272,300.26x = 1,908,406.65 × 325,679.18
  4. Step 4: Simplify right side
    1,272,300.26x = 621,528,312,878.55
  5. Step 5: Solve for x
    x = 621,528,312,878.55/1,272,300.26
  6. Step 6: Final answer
    x = 488,507.57

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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.