Home / 1,298,526.50-1,791,933.13-725,571.38

Finding the Fourth Proportional to 1,298,526.50, 1,791,933.13 and 725,571.38

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Solution

The fourth proportional to 1,298,526.50, 1,791,933.13 and 725,571.38 is: 1,001,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,526.50 : 1,791,933.13 = 725,571.38 : x
  2. Step 2: Convert to fraction form
    1,298,526.50/1,791,933.13 = 725,571.38/x
  3. Step 3: Cross multiply
    1,298,526.50x = 1,791,933.13 × 725,571.38
  4. Step 4: Simplify right side
    1,298,526.50x = 1,300,175,394,001.82
  5. Step 5: Solve for x
    x = 1,300,175,394,001.82/1,298,526.50
  6. Step 6: Final answer
    x = 1,001,269.82

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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.