Home / 1,272,035.01-1,908,042.80-325,404.21

Finding the Fourth Proportional to 1,272,035.01, 1,908,042.80 and 325,404.21

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Solution

The fourth proportional to 1,272,035.01, 1,908,042.80 and 325,404.21 is: 488,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,035.01 : 1,908,042.80 = 325,404.21 : x
  2. Step 2: Convert to fraction form
    1,272,035.01/1,908,042.80 = 325,404.21/x
  3. Step 3: Cross multiply
    1,272,035.01x = 1,908,042.80 × 325,404.21
  4. Step 4: Simplify right side
    1,272,035.01x = 620,885,158,353.17
  5. Step 5: Solve for x
    x = 620,885,158,353.17/1,272,035.01
  6. Step 6: Final answer
    x = 488,103.83

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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.