Home / 1,272,302.60-1,908,452.68-325,671.80

Finding the Fourth Proportional to 1,272,302.60, 1,908,452.68 and 325,671.80

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Solution

The fourth proportional to 1,272,302.60, 1,908,452.68 and 325,671.80 is: 488,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,302.60 : 1,908,452.68 = 325,671.80 : x
  2. Step 2: Convert to fraction form
    1,272,302.60/1,908,452.68 = 325,671.80/x
  3. Step 3: Cross multiply
    1,272,302.60x = 1,908,452.68 × 325,671.80
  4. Step 4: Simplify right side
    1,272,302.60x = 621,529,219,510.42
  5. Step 5: Solve for x
    x = 621,529,219,510.42/1,272,302.60
  6. Step 6: Final answer
    x = 488,507.39

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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.