Home / 1,306,458.99-1,959,687.77-407,977.74

Finding the Fourth Proportional to 1,306,458.99, 1,959,687.77 and 407,977.74

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Solution

The fourth proportional to 1,306,458.99, 1,959,687.77 and 407,977.74 is: 611,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,458.99 : 1,959,687.77 = 407,977.74 : x
  2. Step 2: Convert to fraction form
    1,306,458.99/1,959,687.77 = 407,977.74/x
  3. Step 3: Cross multiply
    1,306,458.99x = 1,959,687.77 × 407,977.74
  4. Step 4: Simplify right side
    1,306,458.99x = 799,508,985,470.35
  5. Step 5: Solve for x
    x = 799,508,985,470.35/1,306,458.99
  6. Step 6: Final answer
    x = 611,966.39

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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.