Home / 1,071,009.32-1,606,517.73-272,290.95

Finding the Fourth Proportional to 1,071,009.32, 1,606,517.73 and 272,290.95

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Solution

The fourth proportional to 1,071,009.32, 1,606,517.73 and 272,290.95 is: 408,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,009.32 : 1,606,517.73 = 272,290.95 : x
  2. Step 2: Convert to fraction form
    1,071,009.32/1,606,517.73 = 272,290.95/x
  3. Step 3: Cross multiply
    1,071,009.32x = 1,606,517.73 × 272,290.95
  4. Step 4: Simplify right side
    1,071,009.32x = 437,440,238,893.54
  5. Step 5: Solve for x
    x = 437,440,238,893.54/1,071,009.32
  6. Step 6: Final answer
    x = 408,437.38

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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.