Home / 1,673,661.30-2,309,669.01-909,714.39

Finding the Fourth Proportional to 1,673,661.30, 2,309,669.01 and 909,714.39

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Solution

The fourth proportional to 1,673,661.30, 2,309,669.01 and 909,714.39 is: 1,255,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,661.30 : 2,309,669.01 = 909,714.39 : x
  2. Step 2: Convert to fraction form
    1,673,661.30/2,309,669.01 = 909,714.39/x
  3. Step 3: Cross multiply
    1,673,661.30x = 2,309,669.01 × 909,714.39
  4. Step 4: Simplify right side
    1,673,661.30x = 2,101,139,134,534.05
  5. Step 5: Solve for x
    x = 2,101,139,134,534.05/1,673,661.30
  6. Step 6: Final answer
    x = 1,255,414.78

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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.