Home / 1,035,387.40-1,553,664.30-404,219.20

Finding the Fourth Proportional to 1,035,387.40, 1,553,664.30 and 404,219.20

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Solution

The fourth proportional to 1,035,387.40, 1,553,664.30 and 404,219.20 is: 606,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,387.40 : 1,553,664.30 = 404,219.20 : x
  2. Step 2: Convert to fraction form
    1,035,387.40/1,553,664.30 = 404,219.20/x
  3. Step 3: Cross multiply
    1,035,387.40x = 1,553,664.30 × 404,219.20
  4. Step 4: Simplify right side
    1,035,387.40x = 628,020,940,414.56
  5. Step 5: Solve for x
    x = 628,020,940,414.56/1,035,387.40
  6. Step 6: Final answer
    x = 606,556.48

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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.