Home / 1,455,436.80-2,180,044.80-1,206,604.80

Finding the Fourth Proportional to 1,455,436.80, 2,180,044.80 and 1,206,604.80

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Solution

The fourth proportional to 1,455,436.80, 2,180,044.80 and 1,206,604.80 is: 1,807,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,436.80 : 2,180,044.80 = 1,206,604.80 : x
  2. Step 2: Convert to fraction form
    1,455,436.80/2,180,044.80 = 1,206,604.80/x
  3. Step 3: Cross multiply
    1,455,436.80x = 2,180,044.80 × 1,206,604.80
  4. Step 4: Simplify right side
    1,455,436.80x = 2,630,452,519,895.04
  5. Step 5: Solve for x
    x = 2,630,452,519,895.04/1,455,436.80
  6. Step 6: Final answer
    x = 1,807,328.58

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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.