Home / 1,289,671.20-1,934,525.38-490,996.56

Finding the Fourth Proportional to 1,289,671.20, 1,934,525.38 and 490,996.56

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Solution

The fourth proportional to 1,289,671.20, 1,934,525.38 and 490,996.56 is: 736,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,671.20 : 1,934,525.38 = 490,996.56 : x
  2. Step 2: Convert to fraction form
    1,289,671.20/1,934,525.38 = 490,996.56/x
  3. Step 3: Cross multiply
    1,289,671.20x = 1,934,525.38 × 490,996.56
  4. Step 4: Simplify right side
    1,289,671.20x = 949,845,306,812.69
  5. Step 5: Solve for x
    x = 949,845,306,812.69/1,289,671.20
  6. Step 6: Final answer
    x = 736,501.91

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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.