Home / 1,330,403.70-1,995,605.55-572,608.20

Finding the Fourth Proportional to 1,330,403.70, 1,995,605.55 and 572,608.20

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Solution

The fourth proportional to 1,330,403.70, 1,995,605.55 and 572,608.20 is: 858,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,403.70 : 1,995,605.55 = 572,608.20 : x
  2. Step 2: Convert to fraction form
    1,330,403.70/1,995,605.55 = 572,608.20/x
  3. Step 3: Cross multiply
    1,330,403.70x = 1,995,605.55 × 572,608.20
  4. Step 4: Simplify right side
    1,330,403.70x = 1,142,700,101,895.51
  5. Step 5: Solve for x
    x = 1,142,700,101,895.51/1,330,403.70
  6. Step 6: Final answer
    x = 858,912.30

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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.