Home / 1,243,434.40-1,863,769.20-533,341.60

Finding the Fourth Proportional to 1,243,434.40, 1,863,769.20 and 533,341.60

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Solution

The fourth proportional to 1,243,434.40, 1,863,769.20 and 533,341.60 is: 799,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,434.40 : 1,863,769.20 = 533,341.60 : x
  2. Step 2: Convert to fraction form
    1,243,434.40/1,863,769.20 = 533,341.60/x
  3. Step 3: Cross multiply
    1,243,434.40x = 1,863,769.20 × 533,341.60
  4. Step 4: Simplify right side
    1,243,434.40x = 994,025,647,158.72
  5. Step 5: Solve for x
    x = 994,025,647,158.72/1,243,434.40
  6. Step 6: Final answer
    x = 799,419.45

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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.