Home / 1,368,000.70-2,052,001.05-920,103.10

Finding the Fourth Proportional to 1,368,000.70, 2,052,001.05 and 920,103.10

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Solution

The fourth proportional to 1,368,000.70, 2,052,001.05 and 920,103.10 is: 1,380,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,000.70 : 2,052,001.05 = 920,103.10 : x
  2. Step 2: Convert to fraction form
    1,368,000.70/2,052,001.05 = 920,103.10/x
  3. Step 3: Cross multiply
    1,368,000.70x = 2,052,001.05 × 920,103.10
  4. Step 4: Simplify right side
    1,368,000.70x = 1,888,052,527,308.26
  5. Step 5: Solve for x
    x = 1,888,052,527,308.26/1,368,000.70
  6. Step 6: Final answer
    x = 1,380,154.65

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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.