Home / 1,347,959.20-2,019,314.40-747,846.40

Finding the Fourth Proportional to 1,347,959.20, 2,019,314.40 and 747,846.40

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Solution

The fourth proportional to 1,347,959.20, 2,019,314.40 and 747,846.40 is: 1,120,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,959.20 : 2,019,314.40 = 747,846.40 : x
  2. Step 2: Convert to fraction form
    1,347,959.20/2,019,314.40 = 747,846.40/x
  3. Step 3: Cross multiply
    1,347,959.20x = 2,019,314.40 × 747,846.40
  4. Step 4: Simplify right side
    1,347,959.20x = 1,510,137,004,508.16
  5. Step 5: Solve for x
    x = 1,510,137,004,508.16/1,347,959.20
  6. Step 6: Final answer
    x = 1,120,313.59

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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.