Home / 1,243,822.40-1,864,351.20-533,729.60

Finding the Fourth Proportional to 1,243,822.40, 1,864,351.20 and 533,729.60

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Solution

The fourth proportional to 1,243,822.40, 1,864,351.20 and 533,729.60 is: 800,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,822.40 : 1,864,351.20 = 533,729.60 : x
  2. Step 2: Convert to fraction form
    1,243,822.40/1,864,351.20 = 533,729.60/x
  3. Step 3: Cross multiply
    1,243,822.40x = 1,864,351.20 × 533,729.60
  4. Step 4: Simplify right side
    1,243,822.40x = 995,059,420,235.52
  5. Step 5: Solve for x
    x = 995,059,420,235.52/1,243,822.40
  6. Step 6: Final answer
    x = 800,001.21

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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.