Home / 1,508,018.76-2,081,013.12-828,950.40

Finding the Fourth Proportional to 1,508,018.76, 2,081,013.12 and 828,950.40

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Solution

The fourth proportional to 1,508,018.76, 2,081,013.12 and 828,950.40 is: 1,143,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,018.76 : 2,081,013.12 = 828,950.40 : x
  2. Step 2: Convert to fraction form
    1,508,018.76/2,081,013.12 = 828,950.40/x
  3. Step 3: Cross multiply
    1,508,018.76x = 2,081,013.12 × 828,950.40
  4. Step 4: Simplify right side
    1,508,018.76x = 1,725,056,658,229.25
  5. Step 5: Solve for x
    x = 1,725,056,658,229.25/1,508,018.76
  6. Step 6: Final answer
    x = 1,143,922.55

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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.