Home / 1,867,018.31-2,801,025.81-669,061.72

Finding the Fourth Proportional to 1,867,018.31, 2,801,025.81 and 669,061.72

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Solution

The fourth proportional to 1,867,018.31, 2,801,025.81 and 669,061.72 is: 1,003,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,018.31 : 2,801,025.81 = 669,061.72 : x
  2. Step 2: Convert to fraction form
    1,867,018.31/2,801,025.81 = 669,061.72/x
  3. Step 3: Cross multiply
    1,867,018.31x = 2,801,025.81 × 669,061.72
  4. Step 4: Simplify right side
    1,867,018.31x = 1,874,059,146,202.99
  5. Step 5: Solve for x
    x = 1,874,059,146,202.99/1,867,018.31
  6. Step 6: Final answer
    x = 1,003,771.17

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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.