Home / 1,680,971.60-2,522,669.13-669,508.36

Finding the Fourth Proportional to 1,680,971.60, 2,522,669.13 and 669,508.36

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Solution

The fourth proportional to 1,680,971.60, 2,522,669.13 and 669,508.36 is: 1,004,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,971.60 : 2,522,669.13 = 669,508.36 : x
  2. Step 2: Convert to fraction form
    1,680,971.60/2,522,669.13 = 669,508.36/x
  3. Step 3: Cross multiply
    1,680,971.60x = 2,522,669.13 × 669,508.36
  4. Step 4: Simplify right side
    1,680,971.60x = 1,688,948,072,048.93
  5. Step 5: Solve for x
    x = 1,688,948,072,048.93/1,680,971.60
  6. Step 6: Final answer
    x = 1,004,745.16

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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.