Home / 1,778,431.70-2,668,071.94-580,356.25

Finding the Fourth Proportional to 1,778,431.70, 2,668,071.94 and 580,356.25

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Solution

The fourth proportional to 1,778,431.70, 2,668,071.94 and 580,356.25 is: 870,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,431.70 : 2,668,071.94 = 580,356.25 : x
  2. Step 2: Convert to fraction form
    1,778,431.70/2,668,071.94 = 580,356.25/x
  3. Step 3: Cross multiply
    1,778,431.70x = 2,668,071.94 × 580,356.25
  4. Step 4: Simplify right side
    1,778,431.70x = 1,548,432,217,707.55
  5. Step 5: Solve for x
    x = 1,548,432,217,707.55/1,778,431.70
  6. Step 6: Final answer
    x = 870,672.86

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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.