Home / 1,625,709.06-2,243,478.16-890,689.43

Finding the Fourth Proportional to 1,625,709.06, 2,243,478.16 and 890,689.43

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Solution

The fourth proportional to 1,625,709.06, 2,243,478.16 and 890,689.43 is: 1,229,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,709.06 : 2,243,478.16 = 890,689.43 : x
  2. Step 2: Convert to fraction form
    1,625,709.06/2,243,478.16 = 890,689.43/x
  3. Step 3: Cross multiply
    1,625,709.06x = 2,243,478.16 × 890,689.43
  4. Step 4: Simplify right side
    1,625,709.06x = 1,998,242,273,443.82
  5. Step 5: Solve for x
    x = 1,998,242,273,443.82/1,625,709.06
  6. Step 6: Final answer
    x = 1,229,151.22

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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.