Home / 1,328,006.55-1,987,886.33-719,282.97

Finding the Fourth Proportional to 1,328,006.55, 1,987,886.33 and 719,282.97

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Solution

The fourth proportional to 1,328,006.55, 1,987,886.33 and 719,282.97 is: 1,076,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,006.55 : 1,987,886.33 = 719,282.97 : x
  2. Step 2: Convert to fraction form
    1,328,006.55/1,987,886.33 = 719,282.97/x
  3. Step 3: Cross multiply
    1,328,006.55x = 1,987,886.33 × 719,282.97
  4. Step 4: Simplify right side
    1,328,006.55x = 1,429,852,784,588.68
  5. Step 5: Solve for x
    x = 1,429,852,784,588.68/1,328,006.55
  6. Step 6: Final answer
    x = 1,076,691.06

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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.