Home / 1,158,185.70-1,739,271.45-1,108,363.11

Finding the Fourth Proportional to 1,158,185.70, 1,739,271.45 and 1,108,363.11

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Solution

The fourth proportional to 1,158,185.70, 1,739,271.45 and 1,108,363.11 is: 1,664,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,185.70 : 1,739,271.45 = 1,108,363.11 : x
  2. Step 2: Convert to fraction form
    1,158,185.70/1,739,271.45 = 1,108,363.11/x
  3. Step 3: Cross multiply
    1,158,185.70x = 1,739,271.45 × 1,108,363.11
  4. Step 4: Simplify right side
    1,158,185.70x = 1,927,744,311,090.30
  5. Step 5: Solve for x
    x = 1,927,744,311,090.30/1,158,185.70
  6. Step 6: Final answer
    x = 1,664,451.83

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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.