Home / 779,129.01-1,170,566.37-736,115.58

Finding the Fourth Proportional to 779,129.01, 1,170,566.37 and 736,115.58

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Solution

The fourth proportional to 779,129.01, 1,170,566.37 and 736,115.58 is: 1,105,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,129.01 : 1,170,566.37 = 736,115.58 : x
  2. Step 2: Convert to fraction form
    779,129.01/1,170,566.37 = 736,115.58/x
  3. Step 3: Cross multiply
    779,129.01x = 1,170,566.37 × 736,115.58
  4. Step 4: Simplify right side
    779,129.01x = 861,672,142,381.05
  5. Step 5: Solve for x
    x = 861,672,142,381.05/779,129.01
  6. Step 6: Final answer
    x = 1,105,942.83

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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.