Home / 1,298,544.18-1,791,999.81-725,608.50

Finding the Fourth Proportional to 1,298,544.18, 1,791,999.81 and 725,608.50

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Solution

The fourth proportional to 1,298,544.18, 1,791,999.81 and 725,608.50 is: 1,001,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,544.18 : 1,791,999.81 = 725,608.50 : x
  2. Step 2: Convert to fraction form
    1,298,544.18/1,791,999.81 = 725,608.50/x
  3. Step 3: Cross multiply
    1,298,544.18x = 1,791,999.81 × 725,608.50
  4. Step 4: Simplify right side
    1,298,544.18x = 1,300,290,294,134.39
  5. Step 5: Solve for x
    x = 1,300,290,294,134.39/1,298,544.18
  6. Step 6: Final answer
    x = 1,001,344.67

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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.