Home / 828,302.10-1,242,453.15-799,433.70

Finding the Fourth Proportional to 828,302.10, 1,242,453.15 and 799,433.70

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Solution

The fourth proportional to 828,302.10, 1,242,453.15 and 799,433.70 is: 1,199,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,302.10 : 1,242,453.15 = 799,433.70 : x
  2. Step 2: Convert to fraction form
    828,302.10/1,242,453.15 = 799,433.70/x
  3. Step 3: Cross multiply
    828,302.10x = 1,242,453.15 × 799,433.70
  4. Step 4: Simplify right side
    828,302.10x = 993,258,918,781.16
  5. Step 5: Solve for x
    x = 993,258,918,781.16/828,302.10
  6. Step 6: Final answer
    x = 1,199,150.55

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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.