Home / 1,298,503.26-1,791,900.90-725,548.14

Finding the Fourth Proportional to 1,298,503.26, 1,791,900.90 and 725,548.14

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Solution

The fourth proportional to 1,298,503.26, 1,791,900.90 and 725,548.14 is: 1,001,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,503.26 : 1,791,900.90 = 725,548.14 : x
  2. Step 2: Convert to fraction form
    1,298,503.26/1,791,900.90 = 725,548.14/x
  3. Step 3: Cross multiply
    1,298,503.26x = 1,791,900.90 × 725,548.14
  4. Step 4: Simplify right side
    1,298,503.26x = 1,300,110,365,059.33
  5. Step 5: Solve for x
    x = 1,300,110,365,059.33/1,298,503.26
  6. Step 6: Final answer
    x = 1,001,237.66

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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.