Home / 1,323,008.70-1,984,513.05-1,057,288.20

Finding the Fourth Proportional to 1,323,008.70, 1,984,513.05 and 1,057,288.20

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Solution

The fourth proportional to 1,323,008.70, 1,984,513.05 and 1,057,288.20 is: 1,585,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,008.70 : 1,984,513.05 = 1,057,288.20 : x
  2. Step 2: Convert to fraction form
    1,323,008.70/1,984,513.05 = 1,057,288.20/x
  3. Step 3: Cross multiply
    1,323,008.70x = 1,984,513.05 × 1,057,288.20
  4. Step 4: Simplify right side
    1,323,008.70x = 2,098,202,230,511.01
  5. Step 5: Solve for x
    x = 2,098,202,230,511.01/1,323,008.70
  6. Step 6: Final answer
    x = 1,585,932.30

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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.