Home / 1,508,021.76-2,081,017.26-828,953.40

Finding the Fourth Proportional to 1,508,021.76, 2,081,017.26 and 828,953.40

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Solution

The fourth proportional to 1,508,021.76, 2,081,017.26 and 828,953.40 is: 1,143,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,021.76 : 2,081,017.26 = 828,953.40 : x
  2. Step 2: Convert to fraction form
    1,508,021.76/2,081,017.26 = 828,953.40/x
  3. Step 3: Cross multiply
    1,508,021.76x = 2,081,017.26 × 828,953.40
  4. Step 4: Simplify right side
    1,508,021.76x = 1,725,066,333,135.68
  5. Step 5: Solve for x
    x = 1,725,066,333,135.68/1,508,021.76
  6. Step 6: Final answer
    x = 1,143,926.69

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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.