Home / 1,177,634.60-1,766,712.54-429,678.44

Finding the Fourth Proportional to 1,177,634.60, 1,766,712.54 and 429,678.44

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Solution

The fourth proportional to 1,177,634.60, 1,766,712.54 and 429,678.44 is: 644,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,634.60 : 1,766,712.54 = 429,678.44 : x
  2. Step 2: Convert to fraction form
    1,177,634.60/1,766,712.54 = 429,678.44/x
  3. Step 3: Cross multiply
    1,177,634.60x = 1,766,712.54 × 429,678.44
  4. Step 4: Simplify right side
    1,177,634.60x = 759,118,288,115.64
  5. Step 5: Solve for x
    x = 759,118,288,115.64/1,177,634.60
  6. Step 6: Final answer
    x = 644,612.76

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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.