Home / 1,330,353.70-1,995,530.55-572,558.20

Finding the Fourth Proportional to 1,330,353.70, 1,995,530.55 and 572,558.20

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Solution

The fourth proportional to 1,330,353.70, 1,995,530.55 and 572,558.20 is: 858,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,353.70 : 1,995,530.55 = 572,558.20 : x
  2. Step 2: Convert to fraction form
    1,330,353.70/1,995,530.55 = 572,558.20/x
  3. Step 3: Cross multiply
    1,330,353.70x = 1,995,530.55 × 572,558.20
  4. Step 4: Simplify right side
    1,330,353.70x = 1,142,557,379,753.01
  5. Step 5: Solve for x
    x = 1,142,557,379,753.01/1,330,353.70
  6. Step 6: Final answer
    x = 858,837.30

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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.