Home / 1,148,424-1,722,651.36-360,456

Finding the Fourth Proportional to 1,148,424, 1,722,651.36 and 360,456

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Solution

The fourth proportional to 1,148,424, 1,722,651.36 and 360,456 is: 540,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,424 : 1,722,651.36 = 360,456 : x
  2. Step 2: Convert to fraction form
    1,148,424/1,722,651.36 = 360,456/x
  3. Step 3: Cross multiply
    1,148,424x = 1,722,651.36 × 360,456
  4. Step 4: Simplify right side
    1,148,424x = 620,940,018,620.16
  5. Step 5: Solve for x
    x = 620,940,018,620.16/1,148,424
  6. Step 6: Final answer
    x = 540,688.82

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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.