Home / 868,829.60-1,303,244.40-791,847.20

Finding the Fourth Proportional to 868,829.60, 1,303,244.40 and 791,847.20

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Solution

The fourth proportional to 868,829.60, 1,303,244.40 and 791,847.20 is: 1,187,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,829.60 : 1,303,244.40 = 791,847.20 : x
  2. Step 2: Convert to fraction form
    868,829.60/1,303,244.40 = 791,847.20/x
  3. Step 3: Cross multiply
    868,829.60x = 1,303,244.40 × 791,847.20
  4. Step 4: Simplify right side
    868,829.60x = 1,031,970,429,055.68
  5. Step 5: Solve for x
    x = 1,031,970,429,055.68/868,829.60
  6. Step 6: Final answer
    x = 1,187,770.80

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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.