Home / 1,011,609.30-1,512,950.04-900,072.30

Finding the Fourth Proportional to 1,011,609.30, 1,512,950.04 and 900,072.30

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Solution

The fourth proportional to 1,011,609.30, 1,512,950.04 and 900,072.30 is: 1,346,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,609.30 : 1,512,950.04 = 900,072.30 : x
  2. Step 2: Convert to fraction form
    1,011,609.30/1,512,950.04 = 900,072.30/x
  3. Step 3: Cross multiply
    1,011,609.30x = 1,512,950.04 × 900,072.30
  4. Step 4: Simplify right side
    1,011,609.30x = 1,361,764,422,287.89
  5. Step 5: Solve for x
    x = 1,361,764,422,287.89/1,011,609.30
  6. Step 6: Final answer
    x = 1,346,136.72

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1.5x scale

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.