Home / 1,762,416.60-2,643,682.38-838,972.20

Finding the Fourth Proportional to 1,762,416.60, 2,643,682.38 and 838,972.20

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Solution

The fourth proportional to 1,762,416.60, 2,643,682.38 and 838,972.20 is: 1,258,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,416.60 : 2,643,682.38 = 838,972.20 : x
  2. Step 2: Convert to fraction form
    1,762,416.60/2,643,682.38 = 838,972.20/x
  3. Step 3: Cross multiply
    1,762,416.60x = 2,643,682.38 × 838,972.20
  4. Step 4: Simplify right side
    1,762,416.60x = 2,217,976,022,449.84
  5. Step 5: Solve for x
    x = 2,217,976,022,449.84/1,762,416.60
  6. Step 6: Final answer
    x = 1,258,485.66

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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.