Home / 1,105,320.60-1,656,231.30-926,861.40

Finding the Fourth Proportional to 1,105,320.60, 1,656,231.30 and 926,861.40

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Solution

The fourth proportional to 1,105,320.60, 1,656,231.30 and 926,861.40 is: 1,388,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,320.60 : 1,656,231.30 = 926,861.40 : x
  2. Step 2: Convert to fraction form
    1,105,320.60/1,656,231.30 = 926,861.40/x
  3. Step 3: Cross multiply
    1,105,320.60x = 1,656,231.30 × 926,861.40
  4. Step 4: Simplify right side
    1,105,320.60x = 1,535,096,861,441.82
  5. Step 5: Solve for x
    x = 1,535,096,861,441.82/1,105,320.60
  6. Step 6: Final answer
    x = 1,388,824.98

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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.