Home / 1,298,514.80-1,946,850.60-499,487.60

Finding the Fourth Proportional to 1,298,514.80, 1,946,850.60 and 499,487.60

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Solution

The fourth proportional to 1,298,514.80, 1,946,850.60 and 499,487.60 is: 748,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,514.80 : 1,946,850.60 = 499,487.60 : x
  2. Step 2: Convert to fraction form
    1,298,514.80/1,946,850.60 = 499,487.60/x
  3. Step 3: Cross multiply
    1,298,514.80x = 1,946,850.60 × 499,487.60
  4. Step 4: Simplify right side
    1,298,514.80x = 972,427,733,752.56
  5. Step 5: Solve for x
    x = 972,427,733,752.56/1,298,514.80
  6. Step 6: Final answer
    x = 748,876.90

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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.