Home / 1,272,096.57-1,908,135.14-325,465.77

Finding the Fourth Proportional to 1,272,096.57, 1,908,135.14 and 325,465.77

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Solution

The fourth proportional to 1,272,096.57, 1,908,135.14 and 325,465.77 is: 488,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,096.57 : 1,908,135.14 = 325,465.77 : x
  2. Step 2: Convert to fraction form
    1,272,096.57/1,908,135.14 = 325,465.77/x
  3. Step 3: Cross multiply
    1,272,096.57x = 1,908,135.14 × 325,465.77
  4. Step 4: Simplify right side
    1,272,096.57x = 621,032,676,560.83
  5. Step 5: Solve for x
    x = 621,032,676,560.83/1,272,096.57
  6. Step 6: Final answer
    x = 488,196.17

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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.