Home / 1,139,884.11-1,572,660.09-674,762.67

Finding the Fourth Proportional to 1,139,884.11, 1,572,660.09 and 674,762.67

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Solution

The fourth proportional to 1,139,884.11, 1,572,660.09 and 674,762.67 is: 930,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,884.11 : 1,572,660.09 = 674,762.67 : x
  2. Step 2: Convert to fraction form
    1,139,884.11/1,572,660.09 = 674,762.67/x
  3. Step 3: Cross multiply
    1,139,884.11x = 1,572,660.09 × 674,762.67
  4. Step 4: Simplify right side
    1,139,884.11x = 1,061,172,321,330.84
  5. Step 5: Solve for x
    x = 1,061,172,321,330.84/1,139,884.11
  6. Step 6: Final answer
    x = 930,947.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.