Home / 1,403,072.46-2,103,954.30-728,972.55

Finding the Fourth Proportional to 1,403,072.46, 2,103,954.30 and 728,972.55

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Solution

The fourth proportional to 1,403,072.46, 2,103,954.30 and 728,972.55 is: 1,093,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,072.46 : 2,103,954.30 = 728,972.55 : x
  2. Step 2: Convert to fraction form
    1,403,072.46/2,103,954.30 = 728,972.55/x
  3. Step 3: Cross multiply
    1,403,072.46x = 2,103,954.30 × 728,972.55
  4. Step 4: Simplify right side
    1,403,072.46x = 1,533,724,931,154.47
  5. Step 5: Solve for x
    x = 1,533,724,931,154.47/1,403,072.46
  6. Step 6: Final answer
    x = 1,093,118.83

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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.