Home / 1,347,420.60-2,021,163.30-400,822.20

Finding the Fourth Proportional to 1,347,420.60, 2,021,163.30 and 400,822.20

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Solution

The fourth proportional to 1,347,420.60, 2,021,163.30 and 400,822.20 is: 601,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,420.60 : 2,021,163.30 = 400,822.20 : x
  2. Step 2: Convert to fraction form
    1,347,420.60/2,021,163.30 = 400,822.20/x
  3. Step 3: Cross multiply
    1,347,420.60x = 2,021,163.30 × 400,822.20
  4. Step 4: Simplify right side
    1,347,420.60x = 810,127,120,465.26
  5. Step 5: Solve for x
    x = 810,127,120,465.26/1,347,420.60
  6. Step 6: Final answer
    x = 601,242.94

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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.