Home / 1,272,294.60-1,908,440.66-325,663.80

Finding the Fourth Proportional to 1,272,294.60, 1,908,440.66 and 325,663.80

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Solution

The fourth proportional to 1,272,294.60, 1,908,440.66 and 325,663.80 is: 488,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,294.60 : 1,908,440.66 = 325,663.80 : x
  2. Step 2: Convert to fraction form
    1,272,294.60/1,908,440.66 = 325,663.80/x
  3. Step 3: Cross multiply
    1,272,294.60x = 1,908,440.66 × 325,663.80
  4. Step 4: Simplify right side
    1,272,294.60x = 621,510,037,410.11
  5. Step 5: Solve for x
    x = 621,510,037,410.11/1,272,294.60
  6. Step 6: Final answer
    x = 488,495.38

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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.