Home / 1,785,309.34-2,678,417.29-826,456.22

Finding the Fourth Proportional to 1,785,309.34, 2,678,417.29 and 826,456.22

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Solution

The fourth proportional to 1,785,309.34, 2,678,417.29 and 826,456.22 is: 1,239,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,309.34 : 2,678,417.29 = 826,456.22 : x
  2. Step 2: Convert to fraction form
    1,785,309.34/2,678,417.29 = 826,456.22/x
  3. Step 3: Cross multiply
    1,785,309.34x = 2,678,417.29 × 826,456.22
  4. Step 4: Simplify right side
    1,785,309.34x = 2,213,594,629,076.04
  5. Step 5: Solve for x
    x = 2,213,594,629,076.04/1,785,309.34
  6. Step 6: Final answer
    x = 1,239,894.16

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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.