Home / 1,259,590.29-1,889,385.48-418,142.04

Finding the Fourth Proportional to 1,259,590.29, 1,889,385.48 and 418,142.04

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Solution

The fourth proportional to 1,259,590.29, 1,889,385.48 and 418,142.04 is: 627,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,590.29 : 1,889,385.48 = 418,142.04 : x
  2. Step 2: Convert to fraction form
    1,259,590.29/1,889,385.48 = 418,142.04/x
  3. Step 3: Cross multiply
    1,259,590.29x = 1,889,385.48 × 418,142.04
  4. Step 4: Simplify right side
    1,259,590.29x = 790,031,498,953.58
  5. Step 5: Solve for x
    x = 790,031,498,953.58/1,259,590.29
  6. Step 6: Final answer
    x = 627,213.07

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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.