Home / 1,218,012.02-1,826,187.62-617,815.84

Finding the Fourth Proportional to 1,218,012.02, 1,826,187.62 and 617,815.84

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Solution

The fourth proportional to 1,218,012.02, 1,826,187.62 and 617,815.84 is: 926,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,012.02 : 1,826,187.62 = 617,815.84 : x
  2. Step 2: Convert to fraction form
    1,218,012.02/1,826,187.62 = 617,815.84/x
  3. Step 3: Cross multiply
    1,218,012.02x = 1,826,187.62 × 617,815.84
  4. Step 4: Simplify right side
    1,218,012.02x = 1,128,247,638,447.90
  5. Step 5: Solve for x
    x = 1,128,247,638,447.90/1,218,012.02
  6. Step 6: Final answer
    x = 926,302.55

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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.