Home / 1,492,161.30-2,236,370.10-638,230.92

Finding the Fourth Proportional to 1,492,161.30, 2,236,370.10 and 638,230.92

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Solution

The fourth proportional to 1,492,161.30, 2,236,370.10 and 638,230.92 is: 956,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,161.30 : 2,236,370.10 = 638,230.92 : x
  2. Step 2: Convert to fraction form
    1,492,161.30/2,236,370.10 = 638,230.92/x
  3. Step 3: Cross multiply
    1,492,161.30x = 2,236,370.10 × 638,230.92
  4. Step 4: Simplify right side
    1,492,161.30x = 1,427,320,546,383.49
  5. Step 5: Solve for x
    x = 1,427,320,546,383.49/1,492,161.30
  6. Step 6: Final answer
    x = 956,545.75

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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.