Home / 1,178,161.88-1,766,717.94-429,683

Finding the Fourth Proportional to 1,178,161.88, 1,766,717.94 and 429,683

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Solution

The fourth proportional to 1,178,161.88, 1,766,717.94 and 429,683 is: 644,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,161.88 : 1,766,717.94 = 429,683 : x
  2. Step 2: Convert to fraction form
    1,178,161.88/1,766,717.94 = 429,683/x
  3. Step 3: Cross multiply
    1,178,161.88x = 1,766,717.94 × 429,683
  4. Step 4: Simplify right side
    1,178,161.88x = 759,128,664,613.02
  5. Step 5: Solve for x
    x = 759,128,664,613.02/1,178,161.88
  6. Step 6: Final answer
    x = 644,333.07

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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.