Home / 1,154,142.85-1,731,162.34-775,223.23

Finding the Fourth Proportional to 1,154,142.85, 1,731,162.34 and 775,223.23

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Solution

The fourth proportional to 1,154,142.85, 1,731,162.34 and 775,223.23 is: 1,162,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,142.85 : 1,731,162.34 = 775,223.23 : x
  2. Step 2: Convert to fraction form
    1,154,142.85/1,731,162.34 = 775,223.23/x
  3. Step 3: Cross multiply
    1,154,142.85x = 1,731,162.34 × 775,223.23
  4. Step 4: Simplify right side
    1,154,142.85x = 1,342,037,260,869.16
  5. Step 5: Solve for x
    x = 1,342,037,260,869.16/1,154,142.85
  6. Step 6: Final answer
    x = 1,162,799.96

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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.