Home / 1,268,369.53-1,750,421.46-752,428.89

Finding the Fourth Proportional to 1,268,369.53, 1,750,421.46 and 752,428.89

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Solution

The fourth proportional to 1,268,369.53, 1,750,421.46 and 752,428.89 is: 1,038,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,369.53 : 1,750,421.46 = 752,428.89 : x
  2. Step 2: Convert to fraction form
    1,268,369.53/1,750,421.46 = 752,428.89/x
  3. Step 3: Cross multiply
    1,268,369.53x = 1,750,421.46 × 752,428.89
  4. Step 4: Simplify right side
    1,268,369.53x = 1,317,067,676,179.98
  5. Step 5: Solve for x
    x = 1,317,067,676,179.98/1,268,369.53
  6. Step 6: Final answer
    x = 1,038,394.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.