Home / 1,679,811.64-2,519,727.03-417,639.26

Finding the Fourth Proportional to 1,679,811.64, 2,519,727.03 and 417,639.26

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Solution

The fourth proportional to 1,679,811.64, 2,519,727.03 and 417,639.26 is: 626,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,811.64 : 2,519,727.03 = 417,639.26 : x
  2. Step 2: Convert to fraction form
    1,679,811.64/2,519,727.03 = 417,639.26/x
  3. Step 3: Cross multiply
    1,679,811.64x = 2,519,727.03 × 417,639.26
  4. Step 4: Simplify right side
    1,679,811.64x = 1,052,336,932,211.20
  5. Step 5: Solve for x
    x = 1,052,336,932,211.20/1,679,811.64
  6. Step 6: Final answer
    x = 626,461.27

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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.