Home / 1,558,231.05-2,150,932.68-938,065.05

Finding the Fourth Proportional to 1,558,231.05, 2,150,932.68 and 938,065.05

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Solution

The fourth proportional to 1,558,231.05, 2,150,932.68 and 938,065.05 is: 1,294,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,231.05 : 2,150,932.68 = 938,065.05 : x
  2. Step 2: Convert to fraction form
    1,558,231.05/2,150,932.68 = 938,065.05/x
  3. Step 3: Cross multiply
    1,558,231.05x = 2,150,932.68 × 938,065.05
  4. Step 4: Simplify right side
    1,558,231.05x = 2,017,714,775,422.02
  5. Step 5: Solve for x
    x = 2,017,714,775,422.02/1,558,231.05
  6. Step 6: Final answer
    x = 1,294,875.22

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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.