Home / 1,074,956.04-1,612,380.72-400,984.80

Finding the Fourth Proportional to 1,074,956.04, 1,612,380.72 and 400,984.80

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Solution

The fourth proportional to 1,074,956.04, 1,612,380.72 and 400,984.80 is: 601,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,956.04 : 1,612,380.72 = 400,984.80 : x
  2. Step 2: Convert to fraction form
    1,074,956.04/1,612,380.72 = 400,984.80/x
  3. Step 3: Cross multiply
    1,074,956.04x = 1,612,380.72 × 400,984.80
  4. Step 4: Simplify right side
    1,074,956.04x = 646,540,160,533.06
  5. Step 5: Solve for x
    x = 646,540,160,533.06/1,074,956.04
  6. Step 6: Final answer
    x = 601,457.30

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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.