Home / 1,347,950.70-2,019,301.65-747,837.90

Finding the Fourth Proportional to 1,347,950.70, 2,019,301.65 and 747,837.90

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Solution

The fourth proportional to 1,347,950.70, 2,019,301.65 and 747,837.90 is: 1,120,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,950.70 : 2,019,301.65 = 747,837.90 : x
  2. Step 2: Convert to fraction form
    1,347,950.70/2,019,301.65 = 747,837.90/x
  3. Step 3: Cross multiply
    1,347,950.70x = 2,019,301.65 × 747,837.90
  4. Step 4: Simplify right side
    1,347,950.70x = 1,510,110,305,402.54
  5. Step 5: Solve for x
    x = 1,510,110,305,402.54/1,347,950.70
  6. Step 6: Final answer
    x = 1,120,300.84

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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.