Home / 1,628,115.90-2,246,874.94-902,920.40

Finding the Fourth Proportional to 1,628,115.90, 2,246,874.94 and 902,920.40

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Solution

The fourth proportional to 1,628,115.90, 2,246,874.94 and 902,920.40 is: 1,246,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,115.90 : 2,246,874.94 = 902,920.40 : x
  2. Step 2: Convert to fraction form
    1,628,115.90/2,246,874.94 = 902,920.40/x
  3. Step 3: Cross multiply
    1,628,115.90x = 2,246,874.94 × 902,920.40
  4. Step 4: Simplify right side
    1,628,115.90x = 2,028,749,219,574.78
  5. Step 5: Solve for x
    x = 2,028,749,219,574.78/1,628,115.90
  6. Step 6: Final answer
    x = 1,246,071.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.