Home / 1,071,235.49-1,606,862.65-272,517.88

Finding the Fourth Proportional to 1,071,235.49, 1,606,862.65 and 272,517.88

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Solution

The fourth proportional to 1,071,235.49, 1,606,862.65 and 272,517.88 is: 408,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,235.49 : 1,606,862.65 = 272,517.88 : x
  2. Step 2: Convert to fraction form
    1,071,235.49/1,606,862.65 = 272,517.88/x
  3. Step 3: Cross multiply
    1,071,235.49x = 1,606,862.65 × 272,517.88
  4. Step 4: Simplify right side
    1,071,235.49x = 437,898,793,772.93
  5. Step 5: Solve for x
    x = 437,898,793,772.93/1,071,235.49
  6. Step 6: Final answer
    x = 408,779.21

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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.