Home / 1,185,474.60-1,778,288.31-416,878.02

Finding the Fourth Proportional to 1,185,474.60, 1,778,288.31 and 416,878.02

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Solution

The fourth proportional to 1,185,474.60, 1,778,288.31 and 416,878.02 is: 625,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,474.60 : 1,778,288.31 = 416,878.02 : x
  2. Step 2: Convert to fraction form
    1,185,474.60/1,778,288.31 = 416,878.02/x
  3. Step 3: Cross multiply
    1,185,474.60x = 1,778,288.31 × 416,878.02
  4. Step 4: Simplify right side
    1,185,474.60x = 741,329,309,661.95
  5. Step 5: Solve for x
    x = 741,329,309,661.95/1,185,474.60
  6. Step 6: Final answer
    x = 625,343.90

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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.