Home / 1,443,785.13-1,992,399.30-799,191.45

Finding the Fourth Proportional to 1,443,785.13, 1,992,399.30 and 799,191.45

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Solution

The fourth proportional to 1,443,785.13, 1,992,399.30 and 799,191.45 is: 1,102,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,785.13 : 1,992,399.30 = 799,191.45 : x
  2. Step 2: Convert to fraction form
    1,443,785.13/1,992,399.30 = 799,191.45/x
  3. Step 3: Cross multiply
    1,443,785.13x = 1,992,399.30 × 799,191.45
  4. Step 4: Simplify right side
    1,443,785.13x = 1,592,308,485,545.99
  5. Step 5: Solve for x
    x = 1,592,308,485,545.99/1,443,785.13
  6. Step 6: Final answer
    x = 1,102,870.82

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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.