Home / 1,680,971.47-2,522,668.94-669,508.23

Finding the Fourth Proportional to 1,680,971.47, 2,522,668.94 and 669,508.23

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Solution

The fourth proportional to 1,680,971.47, 2,522,668.94 and 669,508.23 is: 1,004,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,971.47 : 2,522,668.94 = 669,508.23 : x
  2. Step 2: Convert to fraction form
    1,680,971.47/2,522,668.94 = 669,508.23/x
  3. Step 3: Cross multiply
    1,680,971.47x = 2,522,668.94 × 669,508.23
  4. Step 4: Simplify right side
    1,680,971.47x = 1,688,947,625,518.50
  5. Step 5: Solve for x
    x = 1,688,947,625,518.50/1,680,971.47
  6. Step 6: Final answer
    x = 1,004,744.97

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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.