Home / 1,377,104.80-2,065,948.80-417,481.60

Finding the Fourth Proportional to 1,377,104.80, 2,065,948.80 and 417,481.60

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Solution

The fourth proportional to 1,377,104.80, 2,065,948.80 and 417,481.60 is: 626,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,104.80 : 2,065,948.80 = 417,481.60 : x
  2. Step 2: Convert to fraction form
    1,377,104.80/2,065,948.80 = 417,481.60/x
  3. Step 3: Cross multiply
    1,377,104.80x = 2,065,948.80 × 417,481.60
  4. Step 4: Simplify right side
    1,377,104.80x = 862,495,610,542.08
  5. Step 5: Solve for x
    x = 862,495,610,542.08/1,377,104.80
  6. Step 6: Final answer
    x = 626,310.80

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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.