Home / 1,216,811.07-1,825,077.15-318,339.51

Finding the Fourth Proportional to 1,216,811.07, 1,825,077.15 and 318,339.51

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Solution

The fourth proportional to 1,216,811.07, 1,825,077.15 and 318,339.51 is: 477,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,811.07 : 1,825,077.15 = 318,339.51 : x
  2. Step 2: Convert to fraction form
    1,216,811.07/1,825,077.15 = 318,339.51/x
  3. Step 3: Cross multiply
    1,216,811.07x = 1,825,077.15 × 318,339.51
  4. Step 4: Simplify right side
    1,216,811.07x = 580,994,165,643.20
  5. Step 5: Solve for x
    x = 580,994,165,643.20/1,216,811.07
  6. Step 6: Final answer
    x = 477,472.78

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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.