Home / 1,066,775.70-1,600,163.55-985,674.90

Finding the Fourth Proportional to 1,066,775.70, 1,600,163.55 and 985,674.90

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Solution

The fourth proportional to 1,066,775.70, 1,600,163.55 and 985,674.90 is: 1,478,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,775.70 : 1,600,163.55 = 985,674.90 : x
  2. Step 2: Convert to fraction form
    1,066,775.70/1,600,163.55 = 985,674.90/x
  3. Step 3: Cross multiply
    1,066,775.70x = 1,600,163.55 × 985,674.90
  4. Step 4: Simplify right side
    1,066,775.70x = 1,577,241,047,129.90
  5. Step 5: Solve for x
    x = 1,577,241,047,129.90/1,066,775.70
  6. Step 6: Final answer
    x = 1,478,512.35

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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.