Home / 903,142.04-1,355,869.11-775,872.55

Finding the Fourth Proportional to 903,142.04, 1,355,869.11 and 775,872.55

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Solution

The fourth proportional to 903,142.04, 1,355,869.11 and 775,872.55 is: 1,164,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,142.04 : 1,355,869.11 = 775,872.55 : x
  2. Step 2: Convert to fraction form
    903,142.04/1,355,869.11 = 775,872.55/x
  3. Step 3: Cross multiply
    903,142.04x = 1,355,869.11 × 775,872.55
  4. Step 4: Simplify right side
    903,142.04x = 1,051,981,625,536.77
  5. Step 5: Solve for x
    x = 1,051,981,625,536.77/903,142.04
  6. Step 6: Final answer
    x = 1,164,801.97

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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.