Home / 1,588,057.22-2,191,480.47-890,291.81

Finding the Fourth Proportional to 1,588,057.22, 2,191,480.47 and 890,291.81

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Solution

The fourth proportional to 1,588,057.22, 2,191,480.47 and 890,291.81 is: 1,228,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,057.22 : 2,191,480.47 = 890,291.81 : x
  2. Step 2: Convert to fraction form
    1,588,057.22/2,191,480.47 = 890,291.81/x
  3. Step 3: Cross multiply
    1,588,057.22x = 2,191,480.47 × 890,291.81
  4. Step 4: Simplify right side
    1,588,057.22x = 1,951,057,119,694.65
  5. Step 5: Solve for x
    x = 1,951,057,119,694.65/1,588,057.22
  6. Step 6: Final answer
    x = 1,228,581.12

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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.